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Finding the Fourth Proportional to 480,292.74, 662,806.04 and 262,505.80

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Solution

The fourth proportional to 480,292.74, 662,806.04 and 262,505.80 is: 362,259.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,292.74 : 662,806.04 = 262,505.80 : x
  2. Step 2: Convert to fraction form
    480,292.74/662,806.04 = 262,505.80/x
  3. Step 3: Cross multiply
    480,292.74x = 662,806.04 × 262,505.80
  4. Step 4: Simplify right side
    480,292.74x = 173,990,429,775.03
  5. Step 5: Solve for x
    x = 173,990,429,775.03/480,292.74
  6. Step 6: Final answer
    x = 362,259.13

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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.