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Finding the Fourth Proportional to 624,482.57, 936,757.91 and 197,987.54

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Solution

The fourth proportional to 624,482.57, 936,757.91 and 197,987.54 is: 296,992.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,482.57 : 936,757.91 = 197,987.54 : x
  2. Step 2: Convert to fraction form
    624,482.57/936,757.91 = 197,987.54/x
  3. Step 3: Cross multiply
    624,482.57x = 936,757.91 × 197,987.54
  4. Step 4: Simplify right side
    624,482.57x = 185,466,388,502.71
  5. Step 5: Solve for x
    x = 185,466,388,502.71/624,482.57
  6. Step 6: Final answer
    x = 296,992.10

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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.