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Finding the Fourth Proportional to 413,883.89, 571,366.45 and 270,862.39

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Solution

The fourth proportional to 413,883.89, 571,366.45 and 270,862.39 is: 373,925.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,883.89 : 571,366.45 = 270,862.39 : x
  2. Step 2: Convert to fraction form
    413,883.89/571,366.45 = 270,862.39/x
  3. Step 3: Cross multiply
    413,883.89x = 571,366.45 × 270,862.39
  4. Step 4: Simplify right side
    413,883.89x = 154,761,682,212.82
  5. Step 5: Solve for x
    x = 154,761,682,212.82/413,883.89
  6. Step 6: Final answer
    x = 373,925.36

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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.