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Finding the Fourth Proportional to 425,810.40, 587,598.57 and 244,394.64

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Solution

The fourth proportional to 425,810.40, 587,598.57 and 244,394.64 is: 337,253.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,810.40 : 587,598.57 = 244,394.64 : x
  2. Step 2: Convert to fraction form
    425,810.40/587,598.57 = 244,394.64/x
  3. Step 3: Cross multiply
    425,810.40x = 587,598.57 × 244,394.64
  4. Step 4: Simplify right side
    425,810.40x = 143,605,940,979.67
  5. Step 5: Solve for x
    x = 143,605,940,979.67/425,810.40
  6. Step 6: Final answer
    x = 337,253.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.