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Finding the Fourth Proportional to 551,305.60, 827,152.80 and 531,865.60

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Solution

The fourth proportional to 551,305.60, 827,152.80 and 531,865.60 is: 797,985.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,305.60 : 827,152.80 = 531,865.60 : x
  2. Step 2: Convert to fraction form
    551,305.60/827,152.80 = 531,865.60/x
  3. Step 3: Cross multiply
    551,305.60x = 827,152.80 × 531,865.60
  4. Step 4: Simplify right side
    551,305.60x = 439,934,120,263.68
  5. Step 5: Solve for x
    x = 439,934,120,263.68/551,305.60
  6. Step 6: Final answer
    x = 797,985.95

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1.5x scale

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.