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Finding the Fourth Proportional to 400,091.51, 552,747.95 and 335,460.53

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Solution

The fourth proportional to 400,091.51, 552,747.95 and 335,460.53 is: 463,456.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,091.51 : 552,747.95 = 335,460.53 : x
  2. Step 2: Convert to fraction form
    400,091.51/552,747.95 = 335,460.53/x
  3. Step 3: Cross multiply
    400,091.51x = 552,747.95 × 335,460.53
  4. Step 4: Simplify right side
    400,091.51x = 185,425,121,225.96
  5. Step 5: Solve for x
    x = 185,425,121,225.96/400,091.51
  6. Step 6: Final answer
    x = 463,456.77

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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.