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Finding the Fourth Proportional to 311,114.80, 466,153.80 and 292,452.40

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Solution

The fourth proportional to 311,114.80, 466,153.80 and 292,452.40 is: 438,191.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,114.80 : 466,153.80 = 292,452.40 : x
  2. Step 2: Convert to fraction form
    311,114.80/466,153.80 = 292,452.40/x
  3. Step 3: Cross multiply
    311,114.80x = 466,153.80 × 292,452.40
  4. Step 4: Simplify right side
    311,114.80x = 136,327,797,579.12
  5. Step 5: Solve for x
    x = 136,327,797,579.12/311,114.80
  6. Step 6: Final answer
    x = 438,191.30

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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.