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Finding the Fourth Proportional to 887,414.36, 1,224,729.11 and 514,959.32

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Solution

The fourth proportional to 887,414.36, 1,224,729.11 and 514,959.32 is: 710,700.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,414.36 : 1,224,729.11 = 514,959.32 : x
  2. Step 2: Convert to fraction form
    887,414.36/1,224,729.11 = 514,959.32/x
  3. Step 3: Cross multiply
    887,414.36x = 1,224,729.11 × 514,959.32
  4. Step 4: Simplify right side
    887,414.36x = 630,685,672,087.93
  5. Step 5: Solve for x
    x = 630,685,672,087.93/887,414.36
  6. Step 6: Final answer
    x = 710,700.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.