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Finding the Fourth Proportional to 480,376.65, 662,922.42 and 262,585.65

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Solution

The fourth proportional to 480,376.65, 662,922.42 and 262,585.65 is: 362,369.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,376.65 : 662,922.42 = 262,585.65 : x
  2. Step 2: Convert to fraction form
    480,376.65/662,922.42 = 262,585.65/x
  3. Step 3: Cross multiply
    480,376.65x = 662,922.42 × 262,585.65
  4. Step 4: Simplify right side
    480,376.65x = 174,073,914,555.27
  5. Step 5: Solve for x
    x = 174,073,914,555.27/480,376.65
  6. Step 6: Final answer
    x = 362,369.64

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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.