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Finding the Fourth Proportional to 479,451.88, 719,619.54 and 242,962.12

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Solution

The fourth proportional to 479,451.88, 719,619.54 and 242,962.12 is: 364,667.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,451.88 : 719,619.54 = 242,962.12 : x
  2. Step 2: Convert to fraction form
    479,451.88/719,619.54 = 242,962.12/x
  3. Step 3: Cross multiply
    479,451.88x = 719,619.54 × 242,962.12
  4. Step 4: Simplify right side
    479,451.88x = 174,840,289,031.83
  5. Step 5: Solve for x
    x = 174,840,289,031.83/479,451.88
  6. Step 6: Final answer
    x = 364,667.02

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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.