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Finding the Fourth Proportional to 313,772.88, 433,006.62 and 170,532.93

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Solution

The fourth proportional to 313,772.88, 433,006.62 and 170,532.93 is: 235,335.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,772.88 : 433,006.62 = 170,532.93 : x
  2. Step 2: Convert to fraction form
    313,772.88/433,006.62 = 170,532.93/x
  3. Step 3: Cross multiply
    313,772.88x = 433,006.62 × 170,532.93
  4. Step 4: Simplify right side
    313,772.88x = 73,841,885,452.96
  5. Step 5: Solve for x
    x = 73,841,885,452.96/313,772.88
  6. Step 6: Final answer
    x = 235,335.46

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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.