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Finding the Fourth Proportional to 467,525.70, 699,538.95 and 310,061.70

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Solution

The fourth proportional to 467,525.70, 699,538.95 and 310,061.70 is: 463,932.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,525.70 : 699,538.95 = 310,061.70 : x
  2. Step 2: Convert to fraction form
    467,525.70/699,538.95 = 310,061.70/x
  3. Step 3: Cross multiply
    467,525.70x = 699,538.95 × 310,061.70
  4. Step 4: Simplify right side
    467,525.70x = 216,900,236,053.22
  5. Step 5: Solve for x
    x = 216,900,236,053.22/467,525.70
  6. Step 6: Final answer
    x = 463,932.22

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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.