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Finding the Fourth Proportional to 440,209.52, 607,489.10 and 239,005.52

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Solution

The fourth proportional to 440,209.52, 607,489.10 and 239,005.52 is: 329,827.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,209.52 : 607,489.10 = 239,005.52 : x
  2. Step 2: Convert to fraction form
    440,209.52/607,489.10 = 239,005.52/x
  3. Step 3: Cross multiply
    440,209.52x = 607,489.10 × 239,005.52
  4. Step 4: Simplify right side
    440,209.52x = 145,193,248,239.83
  5. Step 5: Solve for x
    x = 145,193,248,239.83/440,209.52
  6. Step 6: Final answer
    x = 329,827.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.