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Finding the Fourth Proportional to 514,153.60, 771,230.40 and 333,750.40

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Solution

The fourth proportional to 514,153.60, 771,230.40 and 333,750.40 is: 500,625.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,153.60 : 771,230.40 = 333,750.40 : x
  2. Step 2: Convert to fraction form
    514,153.60/771,230.40 = 333,750.40/x
  3. Step 3: Cross multiply
    514,153.60x = 771,230.40 × 333,750.40
  4. Step 4: Simplify right side
    514,153.60x = 257,398,454,492.16
  5. Step 5: Solve for x
    x = 257,398,454,492.16/514,153.60
  6. Step 6: Final answer
    x = 500,625.60

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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.