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Finding the Fourth Proportional to 314,334.70, 433,841.70 and 178,381.29

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Solution

The fourth proportional to 314,334.70, 433,841.70 and 178,381.29 is: 246,200.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,334.70 : 433,841.70 = 178,381.29 : x
  2. Step 2: Convert to fraction form
    314,334.70/433,841.70 = 178,381.29/x
  3. Step 3: Cross multiply
    314,334.70x = 433,841.70 × 178,381.29
  4. Step 4: Simplify right side
    314,334.70x = 77,389,239,932.58
  5. Step 5: Solve for x
    x = 77,389,239,932.58/314,334.70
  6. Step 6: Final answer
    x = 246,200.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.