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Finding the Fourth Proportional to 474,840.62, 712,258.19 and 119,853.16

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Solution

The fourth proportional to 474,840.62, 712,258.19 and 119,853.16 is: 179,779.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,840.62 : 712,258.19 = 119,853.16 : x
  2. Step 2: Convert to fraction form
    474,840.62/712,258.19 = 119,853.16/x
  3. Step 3: Cross multiply
    474,840.62x = 712,258.19 × 119,853.16
  4. Step 4: Simplify right side
    474,840.62x = 85,366,394,807.38
  5. Step 5: Solve for x
    x = 85,366,394,807.38/474,840.62
  6. Step 6: Final answer
    x = 179,779.05

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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.