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Finding the Fourth Proportional to 259,633.55, 358,158.08 and 225,565.49

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Solution

The fourth proportional to 259,633.55, 358,158.08 and 225,565.49 is: 311,162.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,633.55 : 358,158.08 = 225,565.49 : x
  2. Step 2: Convert to fraction form
    259,633.55/358,158.08 = 225,565.49/x
  3. Step 3: Cross multiply
    259,633.55x = 358,158.08 × 225,565.49
  4. Step 4: Simplify right side
    259,633.55x = 80,788,099,894.04
  5. Step 5: Solve for x
    x = 80,788,099,894.04/259,633.55
  6. Step 6: Final answer
    x = 311,162.03

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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.