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Finding the Fourth Proportional to 650,209.20, 975,313.80 and 539,984.40

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Solution

The fourth proportional to 650,209.20, 975,313.80 and 539,984.40 is: 809,976.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,209.20 : 975,313.80 = 539,984.40 : x
  2. Step 2: Convert to fraction form
    650,209.20/975,313.80 = 539,984.40/x
  3. Step 3: Cross multiply
    650,209.20x = 975,313.80 × 539,984.40
  4. Step 4: Simplify right side
    650,209.20x = 526,654,237,104.72
  5. Step 5: Solve for x
    x = 526,654,237,104.72/650,209.20
  6. Step 6: Final answer
    x = 809,976.60

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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.