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Finding the Fourth Proportional to 228,560.40, 342,257.40 and 181,904.40

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Solution

The fourth proportional to 228,560.40, 342,257.40 and 181,904.40 is: 272,392.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,560.40 : 342,257.40 = 181,904.40 : x
  2. Step 2: Convert to fraction form
    228,560.40/342,257.40 = 181,904.40/x
  3. Step 3: Cross multiply
    228,560.40x = 342,257.40 × 181,904.40
  4. Step 4: Simplify right side
    228,560.40x = 62,258,126,992.56
  5. Step 5: Solve for x
    x = 62,258,126,992.56/228,560.40
  6. Step 6: Final answer
    x = 272,392.45

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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.