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Finding the Fourth Proportional to 340,013.58, 469,200.20 and 187,027.08

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Solution

The fourth proportional to 340,013.58, 469,200.20 and 187,027.08 is: 258,087.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,013.58 : 469,200.20 = 187,027.08 : x
  2. Step 2: Convert to fraction form
    340,013.58/469,200.20 = 187,027.08/x
  3. Step 3: Cross multiply
    340,013.58x = 469,200.20 × 187,027.08
  4. Step 4: Simplify right side
    340,013.58x = 87,753,140,646.78
  5. Step 5: Solve for x
    x = 87,753,140,646.78/340,013.58
  6. Step 6: Final answer
    x = 258,087.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.