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Finding the Fourth Proportional to 545,882.58, 753,307.92 and 304,159.95

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Solution

The fourth proportional to 545,882.58, 753,307.92 and 304,159.95 is: 419,735.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,882.58 : 753,307.92 = 304,159.95 : x
  2. Step 2: Convert to fraction form
    545,882.58/753,307.92 = 304,159.95/x
  3. Step 3: Cross multiply
    545,882.58x = 753,307.92 × 304,159.95
  4. Step 4: Simplify right side
    545,882.58x = 229,126,099,281.80
  5. Step 5: Solve for x
    x = 229,126,099,281.80/545,882.58
  6. Step 6: Final answer
    x = 419,735.14

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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.