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Finding the Fourth Proportional to 463,280.40, 694,920.60 and 163,758.60

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Solution

The fourth proportional to 463,280.40, 694,920.60 and 163,758.60 is: 245,637.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,280.40 : 694,920.60 = 163,758.60 : x
  2. Step 2: Convert to fraction form
    463,280.40/694,920.60 = 163,758.60/x
  3. Step 3: Cross multiply
    463,280.40x = 694,920.60 × 163,758.60
  4. Step 4: Simplify right side
    463,280.40x = 113,799,224,567.16
  5. Step 5: Solve for x
    x = 113,799,224,567.16/463,280.40
  6. Step 6: Final answer
    x = 245,637.90

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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.