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Finding the Fourth Proportional to 881,498.70, 1,323,851.85 and 771,273.90

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Solution

The fourth proportional to 881,498.70, 1,323,851.85 and 771,273.90 is: 1,158,314.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,498.70 : 1,323,851.85 = 771,273.90 : x
  2. Step 2: Convert to fraction form
    881,498.70/1,323,851.85 = 771,273.90/x
  3. Step 3: Cross multiply
    881,498.70x = 1,323,851.85 × 771,273.90
  4. Step 4: Simplify right side
    881,498.70x = 1,021,052,379,371.72
  5. Step 5: Solve for x
    x = 1,021,052,379,371.72/881,498.70
  6. Step 6: Final answer
    x = 1,158,314.11

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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.