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Finding the Fourth Proportional to 364,395.92, 546,700.44 and 127,757.84

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Solution

The fourth proportional to 364,395.92, 546,700.44 and 127,757.84 is: 191,674.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,395.92 : 546,700.44 = 127,757.84 : x
  2. Step 2: Convert to fraction form
    364,395.92/546,700.44 = 127,757.84/x
  3. Step 3: Cross multiply
    364,395.92x = 546,700.44 × 127,757.84
  4. Step 4: Simplify right side
    364,395.92x = 69,845,267,341.45
  5. Step 5: Solve for x
    x = 69,845,267,341.45/364,395.92
  6. Step 6: Final answer
    x = 191,674.12

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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.