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Finding the Fourth Proportional to 370,155.60, 555,233.40 and 133,534.80

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Solution

The fourth proportional to 370,155.60, 555,233.40 and 133,534.80 is: 200,302.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,155.60 : 555,233.40 = 133,534.80 : x
  2. Step 2: Convert to fraction form
    370,155.60/555,233.40 = 133,534.80/x
  3. Step 3: Cross multiply
    370,155.60x = 555,233.40 × 133,534.80
  4. Step 4: Simplify right side
    370,155.60x = 74,142,981,022.32
  5. Step 5: Solve for x
    x = 74,142,981,022.32/370,155.60
  6. Step 6: Final answer
    x = 200,302.20

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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.