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Finding the Fourth Proportional to 440,213.52, 607,494.62 and 239,009.52

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Solution

The fourth proportional to 440,213.52, 607,494.62 and 239,009.52 is: 329,833.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,213.52 : 607,494.62 = 239,009.52 : x
  2. Step 2: Convert to fraction form
    440,213.52/607,494.62 = 239,009.52/x
  3. Step 3: Cross multiply
    440,213.52x = 607,494.62 × 239,009.52
  4. Step 4: Simplify right side
    440,213.52x = 145,196,997,528.78
  5. Step 5: Solve for x
    x = 145,196,997,528.78/440,213.52
  6. Step 6: Final answer
    x = 329,833.12

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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.