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Finding the Fourth Proportional to 364,410.72, 546,619.34 and 127,753.04

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Solution

The fourth proportional to 364,410.72, 546,619.34 and 127,753.04 is: 191,630.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,410.72 : 546,619.34 = 127,753.04 : x
  2. Step 2: Convert to fraction form
    364,410.72/546,619.34 = 127,753.04/x
  3. Step 3: Cross multiply
    364,410.72x = 546,619.34 × 127,753.04
  4. Step 4: Simplify right side
    364,410.72x = 69,832,282,407.79
  5. Step 5: Solve for x
    x = 69,832,282,407.79/364,410.72
  6. Step 6: Final answer
    x = 191,630.70

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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.