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Finding the Fourth Proportional to 364,503.87, 546,752.45 and 115,185.87

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Solution

The fourth proportional to 364,503.87, 546,752.45 and 115,185.87 is: 172,777.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,503.87 : 546,752.45 = 115,185.87 : x
  2. Step 2: Convert to fraction form
    364,503.87/546,752.45 = 115,185.87/x
  3. Step 3: Cross multiply
    364,503.87x = 546,752.45 × 115,185.87
  4. Step 4: Simplify right side
    364,503.87x = 62,978,156,051.95
  5. Step 5: Solve for x
    x = 62,978,156,051.95/364,503.87
  6. Step 6: Final answer
    x = 172,777.74

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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.