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Finding the Fourth Proportional to 546,337.20, 753,890.16 and 304,597.08

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Solution

The fourth proportional to 546,337.20, 753,890.16 and 304,597.08 is: 420,313.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,337.20 : 753,890.16 = 304,597.08 : x
  2. Step 2: Convert to fraction form
    546,337.20/753,890.16 = 304,597.08/x
  3. Step 3: Cross multiply
    546,337.20x = 753,890.16 × 304,597.08
  4. Step 4: Simplify right side
    546,337.20x = 229,632,741,376.73
  5. Step 5: Solve for x
    x = 229,632,741,376.73/546,337.20
  6. Step 6: Final answer
    x = 420,313.21

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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.