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Finding the Fourth Proportional to 432,305.39, 596,502.78 and 303,637.01

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Solution

The fourth proportional to 432,305.39, 596,502.78 and 303,637.01 is: 418,963.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,305.39 : 596,502.78 = 303,637.01 : x
  2. Step 2: Convert to fraction form
    432,305.39/596,502.78 = 303,637.01/x
  3. Step 3: Cross multiply
    432,305.39x = 596,502.78 × 303,637.01
  4. Step 4: Simplify right side
    432,305.39x = 181,120,317,593.37
  5. Step 5: Solve for x
    x = 181,120,317,593.37/432,305.39
  6. Step 6: Final answer
    x = 418,963.82

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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.