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Finding the Fourth Proportional to 703,862.66, 1,055,773.50 and 171,376

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Solution

The fourth proportional to 703,862.66, 1,055,773.50 and 171,376 is: 257,059.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,862.66 : 1,055,773.50 = 171,376 : x
  2. Step 2: Convert to fraction form
    703,862.66/1,055,773.50 = 171,376/x
  3. Step 3: Cross multiply
    703,862.66x = 1,055,773.50 × 171,376
  4. Step 4: Simplify right side
    703,862.66x = 180,934,239,336
  5. Step 5: Solve for x
    x = 180,934,239,336/703,862.66
  6. Step 6: Final answer
    x = 257,059.01

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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.