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Finding the Fourth Proportional to 341,392.32, 511,920 and 104,677.92

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Solution

The fourth proportional to 341,392.32, 511,920 and 104,677.92 is: 156,965.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,392.32 : 511,920 = 104,677.92 : x
  2. Step 2: Convert to fraction form
    341,392.32/511,920 = 104,677.92/x
  3. Step 3: Cross multiply
    341,392.32x = 511,920 × 104,677.92
  4. Step 4: Simplify right side
    341,392.32x = 53,586,720,806.40
  5. Step 5: Solve for x
    x = 53,586,720,806.40/341,392.32
  6. Step 6: Final answer
    x = 156,965.22

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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.