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Finding the Fourth Proportional to 265,819.78, 366,830.22 and 144,960.76

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Solution

The fourth proportional to 265,819.78, 366,830.22 and 144,960.76 is: 200,045.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,819.78 : 366,830.22 = 144,960.76 : x
  2. Step 2: Convert to fraction form
    265,819.78/366,830.22 = 144,960.76/x
  3. Step 3: Cross multiply
    265,819.78x = 366,830.22 × 144,960.76
  4. Step 4: Simplify right side
    265,819.78x = 53,175,987,482.17
  5. Step 5: Solve for x
    x = 53,175,987,482.17/265,819.78
  6. Step 6: Final answer
    x = 200,045.26

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1.5x scale

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.