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Finding the Fourth Proportional to 614,892.80, 922,339.20 and 377,465.60

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Solution

The fourth proportional to 614,892.80, 922,339.20 and 377,465.60 is: 566,198.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,892.80 : 922,339.20 = 377,465.60 : x
  2. Step 2: Convert to fraction form
    614,892.80/922,339.20 = 377,465.60/x
  3. Step 3: Cross multiply
    614,892.80x = 922,339.20 × 377,465.60
  4. Step 4: Simplify right side
    614,892.80x = 348,151,319,531.52
  5. Step 5: Solve for x
    x = 348,151,319,531.52/614,892.80
  6. Step 6: Final answer
    x = 566,198.40

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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.