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Finding the Fourth Proportional to 440,238.60, 607,532.04 and 239,034.60

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Solution

The fourth proportional to 440,238.60, 607,532.04 and 239,034.60 is: 329,869.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,238.60 : 607,532.04 = 239,034.60 : x
  2. Step 2: Convert to fraction form
    440,238.60/607,532.04 = 239,034.60/x
  3. Step 3: Cross multiply
    440,238.60x = 607,532.04 × 239,034.60
  4. Step 4: Simplify right side
    440,238.60x = 145,221,178,168.58
  5. Step 5: Solve for x
    x = 145,221,178,168.58/440,238.60
  6. Step 6: Final answer
    x = 329,869.25

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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.