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Finding the Fourth Proportional to 545,452.49, 818,226.01 and 166,458.55

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Solution

The fourth proportional to 545,452.49, 818,226.01 and 166,458.55 is: 249,702.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,452.49 : 818,226.01 = 166,458.55 : x
  2. Step 2: Convert to fraction form
    545,452.49/818,226.01 = 166,458.55/x
  3. Step 3: Cross multiply
    545,452.49x = 818,226.01 × 166,458.55
  4. Step 4: Simplify right side
    545,452.49x = 136,200,711,105.76
  5. Step 5: Solve for x
    x = 136,200,711,105.76/545,452.49
  6. Step 6: Final answer
    x = 249,702.25

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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.