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Finding the Fourth Proportional to 382,500.35, 573,225.63 and 242,007.47

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Solution

The fourth proportional to 382,500.35, 573,225.63 and 242,007.47 is: 362,679.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,500.35 : 573,225.63 = 242,007.47 : x
  2. Step 2: Convert to fraction form
    382,500.35/573,225.63 = 242,007.47/x
  3. Step 3: Cross multiply
    382,500.35x = 573,225.63 × 242,007.47
  4. Step 4: Simplify right side
    382,500.35x = 138,724,881,589.33
  5. Step 5: Solve for x
    x = 138,724,881,589.33/382,500.35
  6. Step 6: Final answer
    x = 362,679.10

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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.