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Finding the Fourth Proportional to 701,986.48, 1,052,978.90 and 228,671.08

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Solution

The fourth proportional to 701,986.48, 1,052,978.90 and 228,671.08 is: 343,006.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,986.48 : 1,052,978.90 = 228,671.08 : x
  2. Step 2: Convert to fraction form
    701,986.48/1,052,978.90 = 228,671.08/x
  3. Step 3: Cross multiply
    701,986.48x = 1,052,978.90 × 228,671.08
  4. Step 4: Simplify right side
    701,986.48x = 240,785,822,280.21
  5. Step 5: Solve for x
    x = 240,785,822,280.21/701,986.48
  6. Step 6: Final answer
    x = 343,006.35

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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.