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Finding the Fourth Proportional to 479,985.59, 662,367.42 and 265,121.04

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Solution

The fourth proportional to 479,985.59, 662,367.42 and 265,121.04 is: 365,860.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,985.59 : 662,367.42 = 265,121.04 : x
  2. Step 2: Convert to fraction form
    479,985.59/662,367.42 = 265,121.04/x
  3. Step 3: Cross multiply
    479,985.59x = 662,367.42 × 265,121.04
  4. Step 4: Simplify right side
    479,985.59x = 175,607,536,768.64
  5. Step 5: Solve for x
    x = 175,607,536,768.64/479,985.59
  6. Step 6: Final answer
    x = 365,860.02

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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.