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Finding the Fourth Proportional to 514,348.53, 711,155.45 and 450,503.17

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Solution

The fourth proportional to 514,348.53, 711,155.45 and 450,503.17 is: 622,880.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,348.53 : 711,155.45 = 450,503.17 : x
  2. Step 2: Convert to fraction form
    514,348.53/711,155.45 = 450,503.17/x
  3. Step 3: Cross multiply
    514,348.53x = 711,155.45 × 450,503.17
  4. Step 4: Simplify right side
    514,348.53x = 320,377,781,402.07
  5. Step 5: Solve for x
    x = 320,377,781,402.07/514,348.53
  6. Step 6: Final answer
    x = 622,880.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.