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Finding the Fourth Proportional to 363,923.60, 545,885.40 and 127,241.60

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Solution

The fourth proportional to 363,923.60, 545,885.40 and 127,241.60 is: 190,862.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,923.60 : 545,885.40 = 127,241.60 : x
  2. Step 2: Convert to fraction form
    363,923.60/545,885.40 = 127,241.60/x
  3. Step 3: Cross multiply
    363,923.60x = 545,885.40 × 127,241.60
  4. Step 4: Simplify right side
    363,923.60x = 69,459,331,712.64
  5. Step 5: Solve for x
    x = 69,459,331,712.64/363,923.60
  6. Step 6: Final answer
    x = 190,862.40

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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.