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Finding the Fourth Proportional to 310,546.31, 465,819.57 and 97,330.76

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Solution

The fourth proportional to 310,546.31, 465,819.57 and 97,330.76 is: 145,996.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,546.31 : 465,819.57 = 97,330.76 : x
  2. Step 2: Convert to fraction form
    310,546.31/465,819.57 = 97,330.76/x
  3. Step 3: Cross multiply
    310,546.31x = 465,819.57 × 97,330.76
  4. Step 4: Simplify right side
    310,546.31x = 45,338,574,535.19
  5. Step 5: Solve for x
    x = 45,338,574,535.19/310,546.31
  6. Step 6: Final answer
    x = 145,996.18

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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.