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Finding the Fourth Proportional to 307,497.26, 424,356.75 and 178,426.01

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Solution

The fourth proportional to 307,497.26, 424,356.75 and 178,426.01 is: 246,234.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,497.26 : 424,356.75 = 178,426.01 : x
  2. Step 2: Convert to fraction form
    307,497.26/424,356.75 = 178,426.01/x
  3. Step 3: Cross multiply
    307,497.26x = 424,356.75 × 178,426.01
  4. Step 4: Simplify right side
    307,497.26x = 75,716,279,597.28
  5. Step 5: Solve for x
    x = 75,716,279,597.28/307,497.26
  6. Step 6: Final answer
    x = 246,234.00

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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.