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Finding the Fourth Proportional to 424,615.48, 585,726 and 265,363

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Solution

The fourth proportional to 424,615.48, 585,726 and 265,363 is: 366,048.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,615.48 : 585,726 = 265,363 : x
  2. Step 2: Convert to fraction form
    424,615.48/585,726 = 265,363/x
  3. Step 3: Cross multiply
    424,615.48x = 585,726 × 265,363
  4. Step 4: Simplify right side
    424,615.48x = 155,430,008,538
  5. Step 5: Solve for x
    x = 155,430,008,538/424,615.48
  6. Step 6: Final answer
    x = 366,048.85

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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.