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Finding the Fourth Proportional to 473,061.96, 652,910.16 and 282,087.66

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Solution

The fourth proportional to 473,061.96, 652,910.16 and 282,087.66 is: 389,331.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,061.96 : 652,910.16 = 282,087.66 : x
  2. Step 2: Convert to fraction form
    473,061.96/652,910.16 = 282,087.66/x
  3. Step 3: Cross multiply
    473,061.96x = 652,910.16 × 282,087.66
  4. Step 4: Simplify right side
    473,061.96x = 184,177,899,224.63
  5. Step 5: Solve for x
    x = 184,177,899,224.63/473,061.96
  6. Step 6: Final answer
    x = 389,331.45

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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.