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Finding the Fourth Proportional to 322,416.40, 483,624.60 and 173,117.20

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Solution

The fourth proportional to 322,416.40, 483,624.60 and 173,117.20 is: 259,675.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,416.40 : 483,624.60 = 173,117.20 : x
  2. Step 2: Convert to fraction form
    322,416.40/483,624.60 = 173,117.20/x
  3. Step 3: Cross multiply
    322,416.40x = 483,624.60 × 173,117.20
  4. Step 4: Simplify right side
    322,416.40x = 83,723,736,603.12
  5. Step 5: Solve for x
    x = 83,723,736,603.12/322,416.40
  6. Step 6: Final answer
    x = 259,675.80

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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.