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Finding the Fourth Proportional to 370,302.52, 555,338.70 and 133,614.40

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Solution

The fourth proportional to 370,302.52, 555,338.70 and 133,614.40 is: 200,380.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,302.52 : 555,338.70 = 133,614.40 : x
  2. Step 2: Convert to fraction form
    370,302.52/555,338.70 = 133,614.40/x
  3. Step 3: Cross multiply
    370,302.52x = 555,338.70 × 133,614.40
  4. Step 4: Simplify right side
    370,302.52x = 74,201,247,197.28
  5. Step 5: Solve for x
    x = 74,201,247,197.28/370,302.52
  6. Step 6: Final answer
    x = 200,380.08

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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.