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Finding the Fourth Proportional to 650,539.30, 974,426.55 and 539,947.30

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Solution

The fourth proportional to 650,539.30, 974,426.55 and 539,947.30 is: 808,773.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,539.30 : 974,426.55 = 539,947.30 : x
  2. Step 2: Convert to fraction form
    650,539.30/974,426.55 = 539,947.30/x
  3. Step 3: Cross multiply
    650,539.30x = 974,426.55 × 539,947.30
  4. Step 4: Simplify right side
    650,539.30x = 526,138,984,720.82
  5. Step 5: Solve for x
    x = 526,138,984,720.82/650,539.30
  6. Step 6: Final answer
    x = 808,773.56

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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.