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Finding the Fourth Proportional to 317,377.02, 438,008.67 and 174,164.97

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Solution

The fourth proportional to 317,377.02, 438,008.67 and 174,164.97 is: 240,363.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,377.02 : 438,008.67 = 174,164.97 : x
  2. Step 2: Convert to fraction form
    317,377.02/438,008.67 = 174,164.97/x
  3. Step 3: Cross multiply
    317,377.02x = 438,008.67 × 174,164.97
  4. Step 4: Simplify right side
    317,377.02x = 76,285,766,870.29
  5. Step 5: Solve for x
    x = 76,285,766,870.29/317,377.02
  6. Step 6: Final answer
    x = 240,363.23

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1.5x scale

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.