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Finding the Fourth Proportional to 497,386.98, 745,637.13 and 231,002.28

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Solution

The fourth proportional to 497,386.98, 745,637.13 and 231,002.28 is: 346,297.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,386.98 : 745,637.13 = 231,002.28 : x
  2. Step 2: Convert to fraction form
    497,386.98/745,637.13 = 231,002.28/x
  3. Step 3: Cross multiply
    497,386.98x = 745,637.13 × 231,002.28
  4. Step 4: Simplify right side
    497,386.98x = 172,243,877,082.66
  5. Step 5: Solve for x
    x = 172,243,877,082.66/497,386.98
  6. Step 6: Final answer
    x = 346,297.52

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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.