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Finding the Fourth Proportional to 911,616.55, 1,367,425.85 and 237,697.28

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Solution

The fourth proportional to 911,616.55, 1,367,425.85 and 237,697.28 is: 356,546.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,616.55 : 1,367,425.85 = 237,697.28 : x
  2. Step 2: Convert to fraction form
    911,616.55/1,367,425.85 = 237,697.28/x
  3. Step 3: Cross multiply
    911,616.55x = 1,367,425.85 × 237,697.28
  4. Step 4: Simplify right side
    911,616.55x = 325,033,411,277.74
  5. Step 5: Solve for x
    x = 325,033,411,277.74/911,616.55
  6. Step 6: Final answer
    x = 356,546.19

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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.