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Finding the Fourth Proportional to 322,402.60, 483,603.90 and 197,813.80

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Solution

The fourth proportional to 322,402.60, 483,603.90 and 197,813.80 is: 296,720.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,402.60 : 483,603.90 = 197,813.80 : x
  2. Step 2: Convert to fraction form
    322,402.60/483,603.90 = 197,813.80/x
  3. Step 3: Cross multiply
    322,402.60x = 483,603.90 × 197,813.80
  4. Step 4: Simplify right side
    322,402.60x = 95,663,525,153.82
  5. Step 5: Solve for x
    x = 95,663,525,153.82/322,402.60
  6. Step 6: Final answer
    x = 296,720.70

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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.