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Finding the Fourth Proportional to 310,220.20, 465,675.90 and 170,252.20

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Solution

The fourth proportional to 310,220.20, 465,675.90 and 170,252.20 is: 255,567.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,220.20 : 465,675.90 = 170,252.20 : x
  2. Step 2: Convert to fraction form
    310,220.20/465,675.90 = 170,252.20/x
  3. Step 3: Cross multiply
    310,220.20x = 465,675.90 × 170,252.20
  4. Step 4: Simplify right side
    310,220.20x = 79,282,346,461.98
  5. Step 5: Solve for x
    x = 79,282,346,461.98/310,220.20
  6. Step 6: Final answer
    x = 255,567.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.