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Finding the Fourth Proportional to 530,177.92, 795,765.16 and 277,639.60

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Solution

The fourth proportional to 530,177.92, 795,765.16 and 277,639.60 is: 416,720.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,177.92 : 795,765.16 = 277,639.60 : x
  2. Step 2: Convert to fraction form
    530,177.92/795,765.16 = 277,639.60/x
  3. Step 3: Cross multiply
    530,177.92x = 795,765.16 × 277,639.60
  4. Step 4: Simplify right side
    530,177.92x = 220,935,920,716.34
  5. Step 5: Solve for x
    x = 220,935,920,716.34/530,177.92
  6. Step 6: Final answer
    x = 416,720.34

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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.