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Finding the Fourth Proportional to 487,878.50, 731,887.47 and 150,947.93

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Solution

The fourth proportional to 487,878.50, 731,887.47 and 150,947.93 is: 226,443.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,878.50 : 731,887.47 = 150,947.93 : x
  2. Step 2: Convert to fraction form
    487,878.50/731,887.47 = 150,947.93/x
  3. Step 3: Cross multiply
    487,878.50x = 731,887.47 × 150,947.93
  4. Step 4: Simplify right side
    487,878.50x = 110,476,894,930.00
  5. Step 5: Solve for x
    x = 110,476,894,930.00/487,878.50
  6. Step 6: Final answer
    x = 226,443.46

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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.