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Finding the Fourth Proportional to 462,697.11, 638,265.56 and 269,083.62

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Solution

The fourth proportional to 462,697.11, 638,265.56 and 269,083.62 is: 371,186.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,697.11 : 638,265.56 = 269,083.62 : x
  2. Step 2: Convert to fraction form
    462,697.11/638,265.56 = 269,083.62/x
  3. Step 3: Cross multiply
    462,697.11x = 638,265.56 × 269,083.62
  4. Step 4: Simplify right side
    462,697.11x = 171,746,806,060.71
  5. Step 5: Solve for x
    x = 171,746,806,060.71/462,697.11
  6. Step 6: Final answer
    x = 371,186.25

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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.