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Finding the Fourth Proportional to 655,814.40, 983,894.40 and 235,046.40

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Solution

The fourth proportional to 655,814.40, 983,894.40 and 235,046.40 is: 352,631.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,814.40 : 983,894.40 = 235,046.40 : x
  2. Step 2: Convert to fraction form
    655,814.40/983,894.40 = 235,046.40/x
  3. Step 3: Cross multiply
    655,814.40x = 983,894.40 × 235,046.40
  4. Step 4: Simplify right side
    655,814.40x = 231,260,836,700.16
  5. Step 5: Solve for x
    x = 231,260,836,700.16/655,814.40
  6. Step 6: Final answer
    x = 352,631.53

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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.