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Finding the Fourth Proportional to 440,009.60, 607,213.92 and 238,806.08

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Solution

The fourth proportional to 440,009.60, 607,213.92 and 238,806.08 is: 329,552.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,009.60 : 607,213.92 = 238,806.08 : x
  2. Step 2: Convert to fraction form
    440,009.60/607,213.92 = 238,806.08/x
  3. Step 3: Cross multiply
    440,009.60x = 607,213.92 × 238,806.08
  4. Step 4: Simplify right side
    440,009.60x = 145,006,375,956.63
  5. Step 5: Solve for x
    x = 145,006,375,956.63/440,009.60
  6. Step 6: Final answer
    x = 329,552.76

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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.