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Finding the Fourth Proportional to 635,901.84, 953,881.92 and 449,744.40

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Solution

The fourth proportional to 635,901.84, 953,881.92 and 449,744.40 is: 674,637.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,901.84 : 953,881.92 = 449,744.40 : x
  2. Step 2: Convert to fraction form
    635,901.84/953,881.92 = 449,744.40/x
  3. Step 3: Cross multiply
    635,901.84x = 953,881.92 × 449,744.40
  4. Step 4: Simplify right side
    635,901.84x = 429,003,051,781.25
  5. Step 5: Solve for x
    x = 429,003,051,781.25/635,901.84
  6. Step 6: Final answer
    x = 674,637.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.