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Finding the Fourth Proportional to 517,492.16, 775,975.84 and 236,768.88

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Solution

The fourth proportional to 517,492.16, 775,975.84 and 236,768.88 is: 355,033.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,492.16 : 775,975.84 = 236,768.88 : x
  2. Step 2: Convert to fraction form
    517,492.16/775,975.84 = 236,768.88/x
  3. Step 3: Cross multiply
    517,492.16x = 775,975.84 × 236,768.88
  4. Step 4: Simplify right side
    517,492.16x = 183,726,930,543.86
  5. Step 5: Solve for x
    x = 183,726,930,543.86/517,492.16
  6. Step 6: Final answer
    x = 355,033.26

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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.