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Finding the Fourth Proportional to 623,930.40, 935,895.60 and 250,221.60

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Solution

The fourth proportional to 623,930.40, 935,895.60 and 250,221.60 is: 375,332.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,930.40 : 935,895.60 = 250,221.60 : x
  2. Step 2: Convert to fraction form
    623,930.40/935,895.60 = 250,221.60/x
  3. Step 3: Cross multiply
    623,930.40x = 935,895.60 × 250,221.60
  4. Step 4: Simplify right side
    623,930.40x = 234,181,294,464.96
  5. Step 5: Solve for x
    x = 234,181,294,464.96/623,930.40
  6. Step 6: Final answer
    x = 375,332.40

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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.