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Finding the Fourth Proportional to 479,191.68, 719,228.88 and 242,699.04

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Solution

The fourth proportional to 479,191.68, 719,228.88 and 242,699.04 is: 364,272.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,191.68 : 719,228.88 = 242,699.04 : x
  2. Step 2: Convert to fraction form
    479,191.68/719,228.88 = 242,699.04/x
  3. Step 3: Cross multiply
    479,191.68x = 719,228.88 × 242,699.04
  4. Step 4: Simplify right side
    479,191.68x = 174,556,158,716.28
  5. Step 5: Solve for x
    x = 174,556,158,716.28/479,191.68
  6. Step 6: Final answer
    x = 364,272.10

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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.