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Finding the Fourth Proportional to 497,226.40, 745,839.60 and 181,909.60

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Solution

The fourth proportional to 497,226.40, 745,839.60 and 181,909.60 is: 272,864.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,226.40 : 745,839.60 = 181,909.60 : x
  2. Step 2: Convert to fraction form
    497,226.40/745,839.60 = 181,909.60/x
  3. Step 3: Cross multiply
    497,226.40x = 745,839.60 × 181,909.60
  4. Step 4: Simplify right side
    497,226.40x = 135,675,383,300.16
  5. Step 5: Solve for x
    x = 135,675,383,300.16/497,226.40
  6. Step 6: Final answer
    x = 272,864.40

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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.