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Finding the Fourth Proportional to 605,746.60, 908,619.90 and 369,550.60

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Solution

The fourth proportional to 605,746.60, 908,619.90 and 369,550.60 is: 554,325.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,746.60 : 908,619.90 = 369,550.60 : x
  2. Step 2: Convert to fraction form
    605,746.60/908,619.90 = 369,550.60/x
  3. Step 3: Cross multiply
    605,746.60x = 908,619.90 × 369,550.60
  4. Step 4: Simplify right side
    605,746.60x = 335,781,029,216.94
  5. Step 5: Solve for x
    x = 335,781,029,216.94/605,746.60
  6. Step 6: Final answer
    x = 554,325.90

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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.