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Finding the Fourth Proportional to 549,753.60, 825,244.80 and 513,657.60

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Solution

The fourth proportional to 549,753.60, 825,244.80 and 513,657.60 is: 771,060.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,753.60 : 825,244.80 = 513,657.60 : x
  2. Step 2: Convert to fraction form
    549,753.60/825,244.80 = 513,657.60/x
  3. Step 3: Cross multiply
    549,753.60x = 825,244.80 × 513,657.60
  4. Step 4: Simplify right side
    549,753.60x = 423,893,263,380.48
  5. Step 5: Solve for x
    x = 423,893,263,380.48/549,753.60
  6. Step 6: Final answer
    x = 771,060.46

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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.