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Finding the Fourth Proportional to 335,291.70, 502,828.20 and 124,902.30

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Solution

The fourth proportional to 335,291.70, 502,828.20 and 124,902.30 is: 187,312.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,291.70 : 502,828.20 = 124,902.30 : x
  2. Step 2: Convert to fraction form
    335,291.70/502,828.20 = 124,902.30/x
  3. Step 3: Cross multiply
    335,291.70x = 502,828.20 × 124,902.30
  4. Step 4: Simplify right side
    335,291.70x = 62,804,398,684.86
  5. Step 5: Solve for x
    x = 62,804,398,684.86/335,291.70
  6. Step 6: Final answer
    x = 187,312.72

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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.