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Finding the Fourth Proportional to 460,160.88, 689,619.24 and 238,700.40

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Solution

The fourth proportional to 460,160.88, 689,619.24 and 238,700.40 is: 357,727.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,160.88 : 689,619.24 = 238,700.40 : x
  2. Step 2: Convert to fraction form
    460,160.88/689,619.24 = 238,700.40/x
  3. Step 3: Cross multiply
    460,160.88x = 689,619.24 × 238,700.40
  4. Step 4: Simplify right side
    460,160.88x = 164,612,388,435.70
  5. Step 5: Solve for x
    x = 164,612,388,435.70/460,160.88
  6. Step 6: Final answer
    x = 357,727.91

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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.