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Finding the Fourth Proportional to 424,724.48, 585,876 and 265,472

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Solution

The fourth proportional to 424,724.48, 585,876 and 265,472 is: 366,198.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,724.48 : 585,876 = 265,472 : x
  2. Step 2: Convert to fraction form
    424,724.48/585,876 = 265,472/x
  3. Step 3: Cross multiply
    424,724.48x = 585,876 × 265,472
  4. Step 4: Simplify right side
    424,724.48x = 155,533,673,472
  5. Step 5: Solve for x
    x = 155,533,673,472/424,724.48
  6. Step 6: Final answer
    x = 366,198.98

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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.