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Finding the Fourth Proportional to 341,330, 511,975.80 and 104,672.04

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Solution

The fourth proportional to 341,330, 511,975.80 and 104,672.04 is: 157,002.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,330 : 511,975.80 = 104,672.04 : x
  2. Step 2: Convert to fraction form
    341,330/511,975.80 = 104,672.04/x
  3. Step 3: Cross multiply
    341,330x = 511,975.80 × 104,672.04
  4. Step 4: Simplify right side
    341,330x = 53,589,551,416.63
  5. Step 5: Solve for x
    x = 53,589,551,416.63/341,330
  6. Step 6: Final answer
    x = 157,002.17

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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.