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Finding the Fourth Proportional to 704,529.25, 972,250.37 and 402,729.73

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Solution

The fourth proportional to 704,529.25, 972,250.37 and 402,729.73 is: 555,767.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,529.25 : 972,250.37 = 402,729.73 : x
  2. Step 2: Convert to fraction form
    704,529.25/972,250.37 = 402,729.73/x
  3. Step 3: Cross multiply
    704,529.25x = 972,250.37 × 402,729.73
  4. Step 4: Simplify right side
    704,529.25x = 391,554,126,988.85
  5. Step 5: Solve for x
    x = 391,554,126,988.85/704,529.25
  6. Step 6: Final answer
    x = 555,767.03

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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.