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Finding the Fourth Proportional to 363,459.80, 545,124.90 and 230,101.40

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Solution

The fourth proportional to 363,459.80, 545,124.90 and 230,101.40 is: 345,111.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,459.80 : 545,124.90 = 230,101.40 : x
  2. Step 2: Convert to fraction form
    363,459.80/545,124.90 = 230,101.40/x
  3. Step 3: Cross multiply
    363,459.80x = 545,124.90 × 230,101.40
  4. Step 4: Simplify right side
    363,459.80x = 125,434,002,664.86
  5. Step 5: Solve for x
    x = 125,434,002,664.86/363,459.80
  6. Step 6: Final answer
    x = 345,111.08

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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.