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Finding the Fourth Proportional to 370,622.80, 555,934.20 and 133,973.20

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Solution

The fourth proportional to 370,622.80, 555,934.20 and 133,973.20 is: 200,959.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,622.80 : 555,934.20 = 133,973.20 : x
  2. Step 2: Convert to fraction form
    370,622.80/555,934.20 = 133,973.20/x
  3. Step 3: Cross multiply
    370,622.80x = 555,934.20 × 133,973.20
  4. Step 4: Simplify right side
    370,622.80x = 74,480,283,763.44
  5. Step 5: Solve for x
    x = 74,480,283,763.44/370,622.80
  6. Step 6: Final answer
    x = 200,959.80

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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.