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Finding the Fourth Proportional to 245,422.20, 367,355.70 and 175,438.20

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Solution

The fourth proportional to 245,422.20, 367,355.70 and 175,438.20 is: 262,601.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,422.20 : 367,355.70 = 175,438.20 : x
  2. Step 2: Convert to fraction form
    245,422.20/367,355.70 = 175,438.20/x
  3. Step 3: Cross multiply
    245,422.20x = 367,355.70 × 175,438.20
  4. Step 4: Simplify right side
    245,422.20x = 64,448,222,767.74
  5. Step 5: Solve for x
    x = 64,448,222,767.74/245,422.20
  6. Step 6: Final answer
    x = 262,601.44

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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.