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Finding the Fourth Proportional to 746,153.60, 1,119,230.40 and 410,230.40

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Solution

The fourth proportional to 746,153.60, 1,119,230.40 and 410,230.40 is: 615,345.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,153.60 : 1,119,230.40 = 410,230.40 : x
  2. Step 2: Convert to fraction form
    746,153.60/1,119,230.40 = 410,230.40/x
  3. Step 3: Cross multiply
    746,153.60x = 1,119,230.40 × 410,230.40
  4. Step 4: Simplify right side
    746,153.60x = 459,142,334,684.16
  5. Step 5: Solve for x
    x = 459,142,334,684.16/746,153.60
  6. Step 6: Final answer
    x = 615,345.60

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.