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Finding the Fourth Proportional to 497,020.70, 745,531.05 and 123,043.70

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Solution

The fourth proportional to 497,020.70, 745,531.05 and 123,043.70 is: 184,565.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,020.70 : 745,531.05 = 123,043.70 : x
  2. Step 2: Convert to fraction form
    497,020.70/745,531.05 = 123,043.70/x
  3. Step 3: Cross multiply
    497,020.70x = 745,531.05 × 123,043.70
  4. Step 4: Simplify right side
    497,020.70x = 91,732,895,129.23
  5. Step 5: Solve for x
    x = 91,732,895,129.23/497,020.70
  6. Step 6: Final answer
    x = 184,565.54

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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.