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Finding the Fourth Proportional to 364,045.89, 546,314.87 and 127,390.62

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Solution

The fourth proportional to 364,045.89, 546,314.87 and 127,390.62 is: 191,172.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,045.89 : 546,314.87 = 127,390.62 : x
  2. Step 2: Convert to fraction form
    364,045.89/546,314.87 = 127,390.62/x
  3. Step 3: Cross multiply
    364,045.89x = 546,314.87 × 127,390.62
  4. Step 4: Simplify right side
    364,045.89x = 69,595,387,796.60
  5. Step 5: Solve for x
    x = 69,595,387,796.60/364,045.89
  6. Step 6: Final answer
    x = 191,172.02

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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.