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Finding the Fourth Proportional to 370,346.29, 555,404.59 and 133,658.22

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Solution

The fourth proportional to 370,346.29, 555,404.59 and 133,658.22 is: 200,445.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,346.29 : 555,404.59 = 133,658.22 : x
  2. Step 2: Convert to fraction form
    370,346.29/555,404.59 = 133,658.22/x
  3. Step 3: Cross multiply
    370,346.29x = 555,404.59 × 133,658.22
  4. Step 4: Simplify right side
    370,346.29x = 74,234,388,879.23
  5. Step 5: Solve for x
    x = 74,234,388,879.23/370,346.29
  6. Step 6: Final answer
    x = 200,445.88

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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.