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Finding the Fourth Proportional to 370,560.30, 555,840.45 and 133,910.70

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Solution

The fourth proportional to 370,560.30, 555,840.45 and 133,910.70 is: 200,866.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,560.30 : 555,840.45 = 133,910.70 : x
  2. Step 2: Convert to fraction form
    370,560.30/555,840.45 = 133,910.70/x
  3. Step 3: Cross multiply
    370,560.30x = 555,840.45 × 133,910.70
  4. Step 4: Simplify right side
    370,560.30x = 74,432,983,747.82
  5. Step 5: Solve for x
    x = 74,432,983,747.82/370,560.30
  6. Step 6: Final answer
    x = 200,866.05

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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.