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Finding the Fourth Proportional to 354,887.07, 532,294.56 and 118,204.26

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Solution

The fourth proportional to 354,887.07, 532,294.56 and 118,204.26 is: 177,294.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,887.07 : 532,294.56 = 118,204.26 : x
  2. Step 2: Convert to fraction form
    354,887.07/532,294.56 = 118,204.26/x
  3. Step 3: Cross multiply
    354,887.07x = 532,294.56 × 118,204.26
  4. Step 4: Simplify right side
    354,887.07x = 62,919,484,566.83
  5. Step 5: Solve for x
    x = 62,919,484,566.83/354,887.07
  6. Step 6: Final answer
    x = 177,294.38

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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.