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Finding the Fourth Proportional to 527,287.24, 793,176 and 477,962.96

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Solution

The fourth proportional to 527,287.24, 793,176 and 477,962.96 is: 718,979.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,287.24 : 793,176 = 477,962.96 : x
  2. Step 2: Convert to fraction form
    527,287.24/793,176 = 477,962.96/x
  3. Step 3: Cross multiply
    527,287.24x = 793,176 × 477,962.96
  4. Step 4: Simplify right side
    527,287.24x = 379,108,748,760.96
  5. Step 5: Solve for x
    x = 379,108,748,760.96/527,287.24
  6. Step 6: Final answer
    x = 718,979.56

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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.