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Finding the Fourth Proportional to 304,258.17, 456,411.86 and 104,578.70

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Solution

The fourth proportional to 304,258.17, 456,411.86 and 104,578.70 is: 156,876.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,258.17 : 456,411.86 = 104,578.70 : x
  2. Step 2: Convert to fraction form
    304,258.17/456,411.86 = 104,578.70/x
  3. Step 3: Cross multiply
    304,258.17x = 456,411.86 × 104,578.70
  4. Step 4: Simplify right side
    304,258.17x = 47,730,957,158.85
  5. Step 5: Solve for x
    x = 47,730,957,158.85/304,258.17
  6. Step 6: Final answer
    x = 156,876.50

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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.