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Finding the Fourth Proportional to 311,275.60, 466,913.40 and 292,843.60

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Solution

The fourth proportional to 311,275.60, 466,913.40 and 292,843.60 is: 439,265.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,275.60 : 466,913.40 = 292,843.60 : x
  2. Step 2: Convert to fraction form
    311,275.60/466,913.40 = 292,843.60/x
  3. Step 3: Cross multiply
    311,275.60x = 466,913.40 × 292,843.60
  4. Step 4: Simplify right side
    311,275.60x = 136,732,600,944.24
  5. Step 5: Solve for x
    x = 136,732,600,944.24/311,275.60
  6. Step 6: Final answer
    x = 439,265.40

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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.