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Finding the Fourth Proportional to 614,132.87, 921,199.32 and 239,893.43

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Solution

The fourth proportional to 614,132.87, 921,199.32 and 239,893.43 is: 359,840.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,132.87 : 921,199.32 = 239,893.43 : x
  2. Step 2: Convert to fraction form
    614,132.87/921,199.32 = 239,893.43/x
  3. Step 3: Cross multiply
    614,132.87x = 921,199.32 × 239,893.43
  4. Step 4: Simplify right side
    614,132.87x = 220,989,664,588.47
  5. Step 5: Solve for x
    x = 220,989,664,588.47/614,132.87
  6. Step 6: Final answer
    x = 359,840.15

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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.