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Finding the Fourth Proportional to 545,192.64, 817,877.14 and 185,395.61

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Solution

The fourth proportional to 545,192.64, 817,877.14 and 185,395.61 is: 278,123.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,192.64 : 817,877.14 = 185,395.61 : x
  2. Step 2: Convert to fraction form
    545,192.64/817,877.14 = 185,395.61/x
  3. Step 3: Cross multiply
    545,192.64x = 817,877.14 × 185,395.61
  4. Step 4: Simplify right side
    545,192.64x = 151,630,832,856.56
  5. Step 5: Solve for x
    x = 151,630,832,856.56/545,192.64
  6. Step 6: Final answer
    x = 278,123.40

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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.