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Finding the Fourth Proportional to 474,844.60, 712,264.18 and 119,857.16

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Solution

The fourth proportional to 474,844.60, 712,264.18 and 119,857.16 is: 179,785.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,844.60 : 712,264.18 = 119,857.16 : x
  2. Step 2: Convert to fraction form
    474,844.60/712,264.18 = 119,857.16/x
  3. Step 3: Cross multiply
    474,844.60x = 712,264.18 × 119,857.16
  4. Step 4: Simplify right side
    474,844.60x = 85,369,961,784.53
  5. Step 5: Solve for x
    x = 85,369,961,784.53/474,844.60
  6. Step 6: Final answer
    x = 179,785.05

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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.