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Finding the Fourth Proportional to 650,546.80, 974,437.80 and 539,954.80

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Solution

The fourth proportional to 650,546.80, 974,437.80 and 539,954.80 is: 808,784.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,546.80 : 974,437.80 = 539,954.80 : x
  2. Step 2: Convert to fraction form
    650,546.80/974,437.80 = 539,954.80/x
  3. Step 3: Cross multiply
    650,546.80x = 974,437.80 × 539,954.80
  4. Step 4: Simplify right side
    650,546.80x = 526,152,367,411.44
  5. Step 5: Solve for x
    x = 526,152,367,411.44/650,546.80
  6. Step 6: Final answer
    x = 808,784.81

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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.