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Finding the Fourth Proportional to 655,934.40, 984,074.40 and 235,166.40

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Solution

The fourth proportional to 655,934.40, 984,074.40 and 235,166.40 is: 352,811.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,934.40 : 984,074.40 = 235,166.40 : x
  2. Step 2: Convert to fraction form
    655,934.40/984,074.40 = 235,166.40/x
  3. Step 3: Cross multiply
    655,934.40x = 984,074.40 × 235,166.40
  4. Step 4: Simplify right side
    655,934.40x = 231,421,233,980.16
  5. Step 5: Solve for x
    x = 231,421,233,980.16/655,934.40
  6. Step 6: Final answer
    x = 352,811.55

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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.