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Finding the Fourth Proportional to 310,352.49, 465,732.89 and 170,209.53

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Solution

The fourth proportional to 310,352.49, 465,732.89 and 170,209.53 is: 255,426.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,352.49 : 465,732.89 = 170,209.53 : x
  2. Step 2: Convert to fraction form
    310,352.49/465,732.89 = 170,209.53/x
  3. Step 3: Cross multiply
    310,352.49x = 465,732.89 × 170,209.53
  4. Step 4: Simplify right side
    310,352.49x = 79,272,175,461.39
  5. Step 5: Solve for x
    x = 79,272,175,461.39/310,352.49
  6. Step 6: Final answer
    x = 255,426.26

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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.