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Finding the Fourth Proportional to 462,267.19, 638,001.93 and 281,035.90

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Solution

The fourth proportional to 462,267.19, 638,001.93 and 281,035.90 is: 387,874.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,267.19 : 638,001.93 = 281,035.90 : x
  2. Step 2: Convert to fraction form
    462,267.19/638,001.93 = 281,035.90/x
  3. Step 3: Cross multiply
    462,267.19x = 638,001.93 × 281,035.90
  4. Step 4: Simplify right side
    462,267.19x = 179,301,446,599.29
  5. Step 5: Solve for x
    x = 179,301,446,599.29/462,267.19
  6. Step 6: Final answer
    x = 387,874.05

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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.