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Finding the Fourth Proportional to 313,771.88, 433,005.24 and 170,531.92

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Solution

The fourth proportional to 313,771.88, 433,005.24 and 170,531.92 is: 235,334.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,771.88 : 433,005.24 = 170,531.92 : x
  2. Step 2: Convert to fraction form
    313,771.88/433,005.24 = 170,531.92/x
  3. Step 3: Cross multiply
    313,771.88x = 433,005.24 × 170,531.92
  4. Step 4: Simplify right side
    313,771.88x = 73,841,216,349.58
  5. Step 5: Solve for x
    x = 73,841,216,349.58/313,771.88
  6. Step 6: Final answer
    x = 235,334.08

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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.