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Finding the Fourth Proportional to 322,455.76, 483,684.78 and 97,818.13

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Solution

The fourth proportional to 322,455.76, 483,684.78 and 97,818.13 is: 146,727.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,455.76 : 483,684.78 = 97,818.13 : x
  2. Step 2: Convert to fraction form
    322,455.76/483,684.78 = 97,818.13/x
  3. Step 3: Cross multiply
    322,455.76x = 483,684.78 × 97,818.13
  4. Step 4: Simplify right side
    322,455.76x = 47,313,140,689.06
  5. Step 5: Solve for x
    x = 47,313,140,689.06/322,455.76
  6. Step 6: Final answer
    x = 146,727.54

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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.