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Finding the Fourth Proportional to 539,212.60, 808,818.90 and 532,214.20

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Solution

The fourth proportional to 539,212.60, 808,818.90 and 532,214.20 is: 798,321.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,212.60 : 808,818.90 = 532,214.20 : x
  2. Step 2: Convert to fraction form
    539,212.60/808,818.90 = 532,214.20/x
  3. Step 3: Cross multiply
    539,212.60x = 808,818.90 × 532,214.20
  4. Step 4: Simplify right side
    539,212.60x = 430,464,903,808.38
  5. Step 5: Solve for x
    x = 430,464,903,808.38/539,212.60
  6. Step 6: Final answer
    x = 798,321.30

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Similar ratio
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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.