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Finding the Fourth Proportional to 310,453.19, 465,290.23 and 132,751.24

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Solution

The fourth proportional to 310,453.19, 465,290.23 and 132,751.24 is: 198,960.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,453.19 : 465,290.23 = 132,751.24 : x
  2. Step 2: Convert to fraction form
    310,453.19/465,290.23 = 132,751.24/x
  3. Step 3: Cross multiply
    310,453.19x = 465,290.23 × 132,751.24
  4. Step 4: Simplify right side
    310,453.19x = 61,767,853,497.28
  5. Step 5: Solve for x
    x = 61,767,853,497.28/310,453.19
  6. Step 6: Final answer
    x = 198,960.28

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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.