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Finding the Fourth Proportional to 650,231.20, 975,346.80 and 437,654.80

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Solution

The fourth proportional to 650,231.20, 975,346.80 and 437,654.80 is: 656,482.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,231.20 : 975,346.80 = 437,654.80 : x
  2. Step 2: Convert to fraction form
    650,231.20/975,346.80 = 437,654.80/x
  3. Step 3: Cross multiply
    650,231.20x = 975,346.80 × 437,654.80
  4. Step 4: Simplify right side
    650,231.20x = 426,865,208,684.64
  5. Step 5: Solve for x
    x = 426,865,208,684.64/650,231.20
  6. Step 6: Final answer
    x = 656,482.20

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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.