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Finding the Fourth Proportional to 530,176.92, 795,763.66 and 277,638.60

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Solution

The fourth proportional to 530,176.92, 795,763.66 and 277,638.60 is: 416,718.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,176.92 : 795,763.66 = 277,638.60 : x
  2. Step 2: Convert to fraction form
    530,176.92/795,763.66 = 277,638.60/x
  3. Step 3: Cross multiply
    530,176.92x = 795,763.66 × 277,638.60
  4. Step 4: Simplify right side
    530,176.92x = 220,934,708,493.28
  5. Step 5: Solve for x
    x = 220,934,708,493.28/530,176.92
  6. Step 6: Final answer
    x = 416,718.84

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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.