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Finding the Fourth Proportional to 311,065.60, 429,265.68 and 175,099.24

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Solution

The fourth proportional to 311,065.60, 429,265.68 and 175,099.24 is: 241,634.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,065.60 : 429,265.68 = 175,099.24 : x
  2. Step 2: Convert to fraction form
    311,065.60/429,265.68 = 175,099.24/x
  3. Step 3: Cross multiply
    311,065.60x = 429,265.68 × 175,099.24
  4. Step 4: Simplify right side
    311,065.60x = 75,164,094,326.08
  5. Step 5: Solve for x
    x = 75,164,094,326.08/311,065.60
  6. Step 6: Final answer
    x = 241,634.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.