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Finding the Fourth Proportional to 546,349.20, 753,906.72 and 304,609.12

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Solution

The fourth proportional to 546,349.20, 753,906.72 and 304,609.12 is: 420,329.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,349.20 : 753,906.72 = 304,609.12 : x
  2. Step 2: Convert to fraction form
    546,349.20/753,906.72 = 304,609.12/x
  3. Step 3: Cross multiply
    546,349.20x = 753,906.72 × 304,609.12
  4. Step 4: Simplify right side
    546,349.20x = 229,646,862,541.29
  5. Step 5: Solve for x
    x = 229,646,862,541.29/546,349.20
  6. Step 6: Final answer
    x = 420,329.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.