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Finding the Fourth Proportional to 295,275.80, 442,913.70 and 108,360.20

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Solution

The fourth proportional to 295,275.80, 442,913.70 and 108,360.20 is: 162,540.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,275.80 : 442,913.70 = 108,360.20 : x
  2. Step 2: Convert to fraction form
    295,275.80/442,913.70 = 108,360.20/x
  3. Step 3: Cross multiply
    295,275.80x = 442,913.70 × 108,360.20
  4. Step 4: Simplify right side
    295,275.80x = 47,994,217,114.74
  5. Step 5: Solve for x
    x = 47,994,217,114.74/295,275.80
  6. Step 6: Final answer
    x = 162,540.30

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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.