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Finding the Fourth Proportional to 357,480.88, 536,287.24 and 117,608.28

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Solution

The fourth proportional to 357,480.88, 536,287.24 and 117,608.28 is: 176,434.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,480.88 : 536,287.24 = 117,608.28 : x
  2. Step 2: Convert to fraction form
    357,480.88/536,287.24 = 117,608.28/x
  3. Step 3: Cross multiply
    357,480.88x = 536,287.24 × 117,608.28
  4. Step 4: Simplify right side
    357,480.88x = 63,071,819,882.35
  5. Step 5: Solve for x
    x = 63,071,819,882.35/357,480.88
  6. Step 6: Final answer
    x = 176,434.11

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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.