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Finding the Fourth Proportional to 322,436.70, 483,659.10 and 97,799.40

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Solution

The fourth proportional to 322,436.70, 483,659.10 and 97,799.40 is: 146,700.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,436.70 : 483,659.10 = 97,799.40 : x
  2. Step 2: Convert to fraction form
    322,436.70/483,659.10 = 97,799.40/x
  3. Step 3: Cross multiply
    322,436.70x = 483,659.10 × 97,799.40
  4. Step 4: Simplify right side
    322,436.70x = 47,301,569,784.54
  5. Step 5: Solve for x
    x = 47,301,569,784.54/322,436.70
  6. Step 6: Final answer
    x = 146,700.33

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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.