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Finding the Fourth Proportional to 341,389.72, 471,202.14 and 207,366.04

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Solution

The fourth proportional to 341,389.72, 471,202.14 and 207,366.04 is: 286,216.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,389.72 : 471,202.14 = 207,366.04 : x
  2. Step 2: Convert to fraction form
    341,389.72/471,202.14 = 207,366.04/x
  3. Step 3: Cross multiply
    341,389.72x = 471,202.14 × 207,366.04
  4. Step 4: Simplify right side
    341,389.72x = 97,711,321,811.33
  5. Step 5: Solve for x
    x = 97,711,321,811.33/341,389.72
  6. Step 6: Final answer
    x = 286,216.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.