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Finding the Fourth Proportional to 363,298.80, 544,948.20 and 323,209.20

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Solution

The fourth proportional to 363,298.80, 544,948.20 and 323,209.20 is: 484,813.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,298.80 : 544,948.20 = 323,209.20 : x
  2. Step 2: Convert to fraction form
    363,298.80/544,948.20 = 323,209.20/x
  3. Step 3: Cross multiply
    363,298.80x = 544,948.20 × 323,209.20
  4. Step 4: Simplify right side
    363,298.80x = 176,132,271,763.44
  5. Step 5: Solve for x
    x = 176,132,271,763.44/363,298.80
  6. Step 6: Final answer
    x = 484,813.80

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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.