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Finding the Fourth Proportional to 578,008.26, 866,924.82 and 157,316.94

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Solution

The fourth proportional to 578,008.26, 866,924.82 and 157,316.94 is: 235,951.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,008.26 : 866,924.82 = 157,316.94 : x
  2. Step 2: Convert to fraction form
    578,008.26/866,924.82 = 157,316.94/x
  3. Step 3: Cross multiply
    578,008.26x = 866,924.82 × 157,316.94
  4. Step 4: Simplify right side
    578,008.26x = 136,381,959,892.45
  5. Step 5: Solve for x
    x = 136,381,959,892.45/578,008.26
  6. Step 6: Final answer
    x = 235,951.58

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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.