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Finding the Fourth Proportional to 480,377.65, 662,923.80 and 262,586.65

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Solution

The fourth proportional to 480,377.65, 662,923.80 and 262,586.65 is: 362,371.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,377.65 : 662,923.80 = 262,586.65 : x
  2. Step 2: Convert to fraction form
    480,377.65/662,923.80 = 262,586.65/x
  3. Step 3: Cross multiply
    480,377.65x = 662,923.80 × 262,586.65
  4. Step 4: Simplify right side
    480,377.65x = 174,074,939,847.27
  5. Step 5: Solve for x
    x = 174,074,939,847.27/480,377.65
  6. Step 6: Final answer
    x = 362,371.02

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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.