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Finding the Fourth Proportional to 545,305.60, 818,073.60 and 166,195.20

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Solution

The fourth proportional to 545,305.60, 818,073.60 and 166,195.20 is: 249,327.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,305.60 : 818,073.60 = 166,195.20 : x
  2. Step 2: Convert to fraction form
    545,305.60/818,073.60 = 166,195.20/x
  3. Step 3: Cross multiply
    545,305.60x = 818,073.60 × 166,195.20
  4. Step 4: Simplify right side
    545,305.60x = 135,959,905,566.72
  5. Step 5: Solve for x
    x = 135,959,905,566.72/545,305.60
  6. Step 6: Final answer
    x = 249,327.91

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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.