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Finding the Fourth Proportional to 332,139.80, 497,699.40 and 247,502.90

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Solution

The fourth proportional to 332,139.80, 497,699.40 and 247,502.90 is: 370,874.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,139.80 : 497,699.40 = 247,502.90 : x
  2. Step 2: Convert to fraction form
    332,139.80/497,699.40 = 247,502.90/x
  3. Step 3: Cross multiply
    332,139.80x = 497,699.40 × 247,502.90
  4. Step 4: Simplify right side
    332,139.80x = 123,182,044,828.26
  5. Step 5: Solve for x
    x = 123,182,044,828.26/332,139.80
  6. Step 6: Final answer
    x = 370,874.09

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1.5x scale

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.