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Finding the Fourth Proportional to 527,386.06, 793,324 and 478,060.98

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Solution

The fourth proportional to 527,386.06, 793,324 and 478,060.98 is: 719,126.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,386.06 : 793,324 = 478,060.98 : x
  2. Step 2: Convert to fraction form
    527,386.06/793,324 = 478,060.98/x
  3. Step 3: Cross multiply
    527,386.06x = 793,324 × 478,060.98
  4. Step 4: Simplify right side
    527,386.06x = 379,257,248,897.52
  5. Step 5: Solve for x
    x = 379,257,248,897.52/527,386.06
  6. Step 6: Final answer
    x = 719,126.42

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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.