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Finding the Fourth Proportional to 487,036.17, 730,622.88 and 150,104.07

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Solution

The fourth proportional to 487,036.17, 730,622.88 and 150,104.07 is: 225,177.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,036.17 : 730,622.88 = 150,104.07 : x
  2. Step 2: Convert to fraction form
    487,036.17/730,622.88 = 150,104.07/x
  3. Step 3: Cross multiply
    487,036.17x = 730,622.88 × 150,104.07
  4. Step 4: Simplify right side
    487,036.17x = 109,669,467,923.12
  5. Step 5: Solve for x
    x = 109,669,467,923.12/487,036.17
  6. Step 6: Final answer
    x = 225,177.26

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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.