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Finding the Fourth Proportional to 462,873.48, 638,508.16 and 269,259.40

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Solution

The fourth proportional to 462,873.48, 638,508.16 and 269,259.40 is: 371,428.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,873.48 : 638,508.16 = 269,259.40 : x
  2. Step 2: Convert to fraction form
    462,873.48/638,508.16 = 269,259.40/x
  3. Step 3: Cross multiply
    462,873.48x = 638,508.16 × 269,259.40
  4. Step 4: Simplify right side
    462,873.48x = 171,924,324,056.70
  5. Step 5: Solve for x
    x = 171,924,324,056.70/462,873.48
  6. Step 6: Final answer
    x = 371,428.33

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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.