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Finding the Fourth Proportional to 317,225.60, 475,903.20 and 106,884.80

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Solution

The fourth proportional to 317,225.60, 475,903.20 and 106,884.80 is: 160,349.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,225.60 : 475,903.20 = 106,884.80 : x
  2. Step 2: Convert to fraction form
    317,225.60/475,903.20 = 106,884.80/x
  3. Step 3: Cross multiply
    317,225.60x = 475,903.20 × 106,884.80
  4. Step 4: Simplify right side
    317,225.60x = 50,866,818,351.36
  5. Step 5: Solve for x
    x = 50,866,818,351.36/317,225.60
  6. Step 6: Final answer
    x = 160,349.03

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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.