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Finding the Fourth Proportional to 313,772.72, 433,006.41 and 170,532.77

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Solution

The fourth proportional to 313,772.72, 433,006.41 and 170,532.77 is: 235,335.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,772.72 : 433,006.41 = 170,532.77 : x
  2. Step 2: Convert to fraction form
    313,772.72/433,006.41 = 170,532.77/x
  3. Step 3: Cross multiply
    313,772.72x = 433,006.41 × 170,532.77
  4. Step 4: Simplify right side
    313,772.72x = 73,841,781,258.11
  5. Step 5: Solve for x
    x = 73,841,781,258.11/313,772.72
  6. Step 6: Final answer
    x = 235,335.25

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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.