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Finding the Fourth Proportional to 652,852.56, 979,029.54 and 253,441.74

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Solution

The fourth proportional to 652,852.56, 979,029.54 and 253,441.74 is: 380,065.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,852.56 : 979,029.54 = 253,441.74 : x
  2. Step 2: Convert to fraction form
    652,852.56/979,029.54 = 253,441.74/x
  3. Step 3: Cross multiply
    652,852.56x = 979,029.54 × 253,441.74
  4. Step 4: Simplify right side
    652,852.56x = 248,126,950,129.00
  5. Step 5: Solve for x
    x = 248,126,950,129.00/652,852.56
  6. Step 6: Final answer
    x = 380,065.83

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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.