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Finding the Fourth Proportional to 909,815.52, 1,364,723.28 and 884,932.32

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Solution

The fourth proportional to 909,815.52, 1,364,723.28 and 884,932.32 is: 1,327,398.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,815.52 : 1,364,723.28 = 884,932.32 : x
  2. Step 2: Convert to fraction form
    909,815.52/1,364,723.28 = 884,932.32/x
  3. Step 3: Cross multiply
    909,815.52x = 1,364,723.28 × 884,932.32
  4. Step 4: Simplify right side
    909,815.52x = 1,207,687,738,328.41
  5. Step 5: Solve for x
    x = 1,207,687,738,328.41/909,815.52
  6. Step 6: Final answer
    x = 1,327,398.48

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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.