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Finding the Fourth Proportional to 314,957.50, 472,459.35 and 134,867.29

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Solution

The fourth proportional to 314,957.50, 472,459.35 and 134,867.29 is: 202,310.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,957.50 : 472,459.35 = 134,867.29 : x
  2. Step 2: Convert to fraction form
    314,957.50/472,459.35 = 134,867.29/x
  3. Step 3: Cross multiply
    314,957.50x = 472,459.35 × 134,867.29
  4. Step 4: Simplify right side
    314,957.50x = 63,719,312,169.66
  5. Step 5: Solve for x
    x = 63,719,312,169.66/314,957.50
  6. Step 6: Final answer
    x = 202,310.83

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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.