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Finding the Fourth Proportional to 508,603.80, 763,343.10 and 224,731.20

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Solution

The fourth proportional to 508,603.80, 763,343.10 and 224,731.20 is: 337,290.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,603.80 : 763,343.10 = 224,731.20 : x
  2. Step 2: Convert to fraction form
    508,603.80/763,343.10 = 224,731.20/x
  3. Step 3: Cross multiply
    508,603.80x = 763,343.10 × 224,731.20
  4. Step 4: Simplify right side
    508,603.80x = 171,547,010,874.72
  5. Step 5: Solve for x
    x = 171,547,010,874.72/508,603.80
  6. Step 6: Final answer
    x = 337,290.07

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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.