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Finding the Fourth Proportional to 310,437.81, 465,267.33 and 132,736.23

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Solution

The fourth proportional to 310,437.81, 465,267.33 and 132,736.23 is: 198,937.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,437.81 : 465,267.33 = 132,736.23 : x
  2. Step 2: Convert to fraction form
    310,437.81/465,267.33 = 132,736.23/x
  3. Step 3: Cross multiply
    310,437.81x = 465,267.33 × 132,736.23
  4. Step 4: Simplify right side
    310,437.81x = 61,757,831,326.37
  5. Step 5: Solve for x
    x = 61,757,831,326.37/310,437.81
  6. Step 6: Final answer
    x = 198,937.85

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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.