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Finding the Fourth Proportional to 624,547.10, 936,149.70 and 269,728.22

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Solution

The fourth proportional to 624,547.10, 936,149.70 and 269,728.22 is: 404,302.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,547.10 : 936,149.70 = 269,728.22 : x
  2. Step 2: Convert to fraction form
    624,547.10/936,149.70 = 269,728.22/x
  3. Step 3: Cross multiply
    624,547.10x = 936,149.70 × 269,728.22
  4. Step 4: Simplify right side
    624,547.10x = 252,505,992,234.53
  5. Step 5: Solve for x
    x = 252,505,992,234.53/624,547.10
  6. Step 6: Final answer
    x = 404,302.56

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1.5x scale

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.