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Finding the Fourth Proportional to 546,153.44, 753,680.95 and 304,421.59

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Solution

The fourth proportional to 546,153.44, 753,680.95 and 304,421.59 is: 420,095.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,153.44 : 753,680.95 = 304,421.59 : x
  2. Step 2: Convert to fraction form
    546,153.44/753,680.95 = 304,421.59/x
  3. Step 3: Cross multiply
    546,153.44x = 753,680.95 × 304,421.59
  4. Step 4: Simplify right side
    546,153.44x = 229,436,755,045.13
  5. Step 5: Solve for x
    x = 229,436,755,045.13/546,153.44
  6. Step 6: Final answer
    x = 420,095.78

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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.