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Finding the Fourth Proportional to 242,246.80, 363,240.60 and 84,480.40

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Solution

The fourth proportional to 242,246.80, 363,240.60 and 84,480.40 is: 126,675.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,246.80 : 363,240.60 = 84,480.40 : x
  2. Step 2: Convert to fraction form
    242,246.80/363,240.60 = 84,480.40/x
  3. Step 3: Cross multiply
    242,246.80x = 363,240.60 × 84,480.40
  4. Step 4: Simplify right side
    242,246.80x = 30,686,711,184.24
  5. Step 5: Solve for x
    x = 30,686,711,184.24/242,246.80
  6. Step 6: Final answer
    x = 126,675.40

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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.