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Finding the Fourth Proportional to 655,886.40, 984,002.40 and 235,118.40

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Solution

The fourth proportional to 655,886.40, 984,002.40 and 235,118.40 is: 352,739.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,886.40 : 984,002.40 = 235,118.40 : x
  2. Step 2: Convert to fraction form
    655,886.40/984,002.40 = 235,118.40/x
  3. Step 3: Cross multiply
    655,886.40x = 984,002.40 × 235,118.40
  4. Step 4: Simplify right side
    655,886.40x = 231,357,069,884.16
  5. Step 5: Solve for x
    x = 231,357,069,884.16/655,886.40
  6. Step 6: Final answer
    x = 352,739.54

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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.