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Finding the Fourth Proportional to 310,546.81, 465,820.32 and 97,331.27

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Solution

The fourth proportional to 310,546.81, 465,820.32 and 97,331.27 is: 145,996.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,546.81 : 465,820.32 = 97,331.27 : x
  2. Step 2: Convert to fraction form
    310,546.81/465,820.32 = 97,331.27/x
  3. Step 3: Cross multiply
    310,546.81x = 465,820.32 × 97,331.27
  4. Step 4: Simplify right side
    310,546.81x = 45,338,880,521.65
  5. Step 5: Solve for x
    x = 45,338,880,521.65/310,546.81
  6. Step 6: Final answer
    x = 145,996.93

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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.