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Finding the Fourth Proportional to 539,211.10, 808,816.65 and 532,212.70

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Solution

The fourth proportional to 539,211.10, 808,816.65 and 532,212.70 is: 798,319.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,211.10 : 808,816.65 = 532,212.70 : x
  2. Step 2: Convert to fraction form
    539,211.10/808,816.65 = 532,212.70/x
  3. Step 3: Cross multiply
    539,211.10x = 808,816.65 × 532,212.70
  4. Step 4: Simplify right side
    539,211.10x = 430,462,493,101.46
  5. Step 5: Solve for x
    x = 430,462,493,101.46/539,211.10
  6. Step 6: Final answer
    x = 798,319.05

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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.