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Finding the Fourth Proportional to 399,037.92, 595,637.40 and 351,800.16

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Solution

The fourth proportional to 399,037.92, 595,637.40 and 351,800.16 is: 525,126.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,037.92 : 595,637.40 = 351,800.16 : x
  2. Step 2: Convert to fraction form
    399,037.92/595,637.40 = 351,800.16/x
  3. Step 3: Cross multiply
    399,037.92x = 595,637.40 × 351,800.16
  4. Step 4: Simplify right side
    399,037.92x = 209,545,332,621.98
  5. Step 5: Solve for x
    x = 209,545,332,621.98/399,037.92
  6. Step 6: Final answer
    x = 525,126.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.