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Finding the Fourth Proportional to 487,443.93, 730,897.95 and 150,392.61

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Solution

The fourth proportional to 487,443.93, 730,897.95 and 150,392.61 is: 225,506.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,443.93 : 730,897.95 = 150,392.61 : x
  2. Step 2: Convert to fraction form
    487,443.93/730,897.95 = 150,392.61/x
  3. Step 3: Cross multiply
    487,443.93x = 730,897.95 × 150,392.61
  4. Step 4: Simplify right side
    487,443.93x = 109,921,650,344.15
  5. Step 5: Solve for x
    x = 109,921,650,344.15/487,443.93
  6. Step 6: Final answer
    x = 225,506.25

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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.