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Finding the Fourth Proportional to 888,616.34, 1,226,260.05 and 506,766.02

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Solution

The fourth proportional to 888,616.34, 1,226,260.05 and 506,766.02 is: 699,319.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,616.34 : 1,226,260.05 = 506,766.02 : x
  2. Step 2: Convert to fraction form
    888,616.34/1,226,260.05 = 506,766.02/x
  3. Step 3: Cross multiply
    888,616.34x = 1,226,260.05 × 506,766.02
  4. Step 4: Simplify right side
    888,616.34x = 621,426,925,023.50
  5. Step 5: Solve for x
    x = 621,426,925,023.50/888,616.34
  6. Step 6: Final answer
    x = 699,319.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.