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Finding the Fourth Proportional to 314,002.82, 433,319.80 and 170,759.78

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Solution

The fourth proportional to 314,002.82, 433,319.80 and 170,759.78 is: 235,646.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,002.82 : 433,319.80 = 170,759.78 : x
  2. Step 2: Convert to fraction form
    314,002.82/433,319.80 = 170,759.78/x
  3. Step 3: Cross multiply
    314,002.82x = 433,319.80 × 170,759.78
  4. Step 4: Simplify right side
    314,002.82x = 73,993,593,717.64
  5. Step 5: Solve for x
    x = 73,993,593,717.64/314,002.82
  6. Step 6: Final answer
    x = 235,646.27

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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.