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Finding the Fourth Proportional to 614,132.68, 921,199.04 and 239,893.24

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Solution

The fourth proportional to 614,132.68, 921,199.04 and 239,893.24 is: 359,839.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,132.68 : 921,199.04 = 239,893.24 : x
  2. Step 2: Convert to fraction form
    614,132.68/921,199.04 = 239,893.24/x
  3. Step 3: Cross multiply
    614,132.68x = 921,199.04 × 239,893.24
  4. Step 4: Simplify right side
    614,132.68x = 220,989,422,390.49
  5. Step 5: Solve for x
    x = 220,989,422,390.49/614,132.68
  6. Step 6: Final answer
    x = 359,839.87

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Double scale
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Similar ratio
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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.