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Finding the Fourth Proportional to 322,307.20, 482,877.60 and 197,502.40

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Solution

The fourth proportional to 322,307.20, 482,877.60 and 197,502.40 is: 295,896.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,307.20 : 482,877.60 = 197,502.40 : x
  2. Step 2: Convert to fraction form
    322,307.20/482,877.60 = 197,502.40/x
  3. Step 3: Cross multiply
    322,307.20x = 482,877.60 × 197,502.40
  4. Step 4: Simplify right side
    322,307.20x = 95,369,484,906.24
  5. Step 5: Solve for x
    x = 95,369,484,906.24/322,307.20
  6. Step 6: Final answer
    x = 295,896.23

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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.