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Finding the Fourth Proportional to 314,588.92, 434,003.82 and 178,593.40

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Solution

The fourth proportional to 314,588.92, 434,003.82 and 178,593.40 is: 246,385.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,588.92 : 434,003.82 = 178,593.40 : x
  2. Step 2: Convert to fraction form
    314,588.92/434,003.82 = 178,593.40/x
  3. Step 3: Cross multiply
    314,588.92x = 434,003.82 × 178,593.40
  4. Step 4: Simplify right side
    314,588.92x = 77,510,217,826.79
  5. Step 5: Solve for x
    x = 77,510,217,826.79/314,588.92
  6. Step 6: Final answer
    x = 246,385.72

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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.