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Finding the Fourth Proportional to 399,038.92, 595,638.89 and 351,801.16

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Solution

The fourth proportional to 399,038.92, 595,638.89 and 351,801.16 is: 525,127.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,038.92 : 595,638.89 = 351,801.16 : x
  2. Step 2: Convert to fraction form
    399,038.92/595,638.89 = 351,801.16/x
  3. Step 3: Cross multiply
    399,038.92x = 595,638.89 × 351,801.16
  4. Step 4: Simplify right side
    399,038.92x = 209,546,452,443.11
  5. Step 5: Solve for x
    x = 209,546,452,443.11/399,038.92
  6. Step 6: Final answer
    x = 525,127.86

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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.