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Finding the Fourth Proportional to 295,680.60, 443,520.90 and 292,570.20

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Solution

The fourth proportional to 295,680.60, 443,520.90 and 292,570.20 is: 438,855.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,680.60 : 443,520.90 = 292,570.20 : x
  2. Step 2: Convert to fraction form
    295,680.60/443,520.90 = 292,570.20/x
  3. Step 3: Cross multiply
    295,680.60x = 443,520.90 × 292,570.20
  4. Step 4: Simplify right side
    295,680.60x = 129,760,998,417.18
  5. Step 5: Solve for x
    x = 129,760,998,417.18/295,680.60
  6. Step 6: Final answer
    x = 438,855.30

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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.