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Finding the Fourth Proportional to 551,500.60, 827,064.88 and 209,862.93

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Solution

The fourth proportional to 551,500.60, 827,064.88 and 209,862.93 is: 314,723.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,500.60 : 827,064.88 = 209,862.93 : x
  2. Step 2: Convert to fraction form
    551,500.60/827,064.88 = 209,862.93/x
  3. Step 3: Cross multiply
    551,500.60x = 827,064.88 × 209,862.93
  4. Step 4: Simplify right side
    551,500.60x = 173,570,255,279.40
  5. Step 5: Solve for x
    x = 173,570,255,279.40/551,500.60
  6. Step 6: Final answer
    x = 314,723.60

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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.