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Finding the Fourth Proportional to 527,385.56, 793,323.24 and 478,060.46

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Solution

The fourth proportional to 527,385.56, 793,323.24 and 478,060.46 is: 719,125.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,385.56 : 793,323.24 = 478,060.46 : x
  2. Step 2: Convert to fraction form
    527,385.56/793,323.24 = 478,060.46/x
  3. Step 3: Cross multiply
    527,385.56x = 793,323.24 × 478,060.46
  4. Step 4: Simplify right side
    527,385.56x = 379,256,473,043.09
  5. Step 5: Solve for x
    x = 379,256,473,043.09/527,385.56
  6. Step 6: Final answer
    x = 719,125.63

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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.