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Finding the Fourth Proportional to 317,227.02, 437,775.46 and 173,988.08

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Solution

The fourth proportional to 317,227.02, 437,775.46 and 173,988.08 is: 240,104.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,227.02 : 437,775.46 = 173,988.08 : x
  2. Step 2: Convert to fraction form
    317,227.02/437,775.46 = 173,988.08/x
  3. Step 3: Cross multiply
    317,227.02x = 437,775.46 × 173,988.08
  4. Step 4: Simplify right side
    317,227.02x = 76,167,711,756.52
  5. Step 5: Solve for x
    x = 76,167,711,756.52/317,227.02
  6. Step 6: Final answer
    x = 240,104.74

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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.