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Finding the Fourth Proportional to 424,376.48, 585,536.72 and 269,271.30

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Solution

The fourth proportional to 424,376.48, 585,536.72 and 269,271.30 is: 371,529.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,376.48 : 585,536.72 = 269,271.30 : x
  2. Step 2: Convert to fraction form
    424,376.48/585,536.72 = 269,271.30/x
  3. Step 3: Cross multiply
    424,376.48x = 585,536.72 × 269,271.30
  4. Step 4: Simplify right side
    424,376.48x = 157,668,233,792.14
  5. Step 5: Solve for x
    x = 157,668,233,792.14/424,376.48
  6. Step 6: Final answer
    x = 371,529.15

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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.