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Finding the Fourth Proportional to 370,288.16, 555,317.36 and 133,600.16

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Solution

The fourth proportional to 370,288.16, 555,317.36 and 133,600.16 is: 200,358.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,288.16 : 555,317.36 = 133,600.16 : x
  2. Step 2: Convert to fraction form
    370,288.16/555,317.36 = 133,600.16/x
  3. Step 3: Cross multiply
    370,288.16x = 555,317.36 × 133,600.16
  4. Step 4: Simplify right side
    370,288.16x = 74,190,488,146.78
  5. Step 5: Solve for x
    x = 74,190,488,146.78/370,288.16
  6. Step 6: Final answer
    x = 200,358.79

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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.