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Finding the Fourth Proportional to 311,256.60, 466,228.80 and 311,256.60

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Solution

The fourth proportional to 311,256.60, 466,228.80 and 311,256.60 is: 466,228.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,256.60 : 466,228.80 = 311,256.60 : x
  2. Step 2: Convert to fraction form
    311,256.60/466,228.80 = 311,256.60/x
  3. Step 3: Cross multiply
    311,256.60x = 466,228.80 × 311,256.60
  4. Step 4: Simplify right side
    311,256.60x = 145,116,791,110.08
  5. Step 5: Solve for x
    x = 145,116,791,110.08/311,256.60
  6. Step 6: Final answer
    x = 466,228.80

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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.