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Finding the Fourth Proportional to 833,365.78, 1,150,044.84 and 451,392.68

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Solution

The fourth proportional to 833,365.78, 1,150,044.84 and 451,392.68 is: 622,921.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,365.78 : 1,150,044.84 = 451,392.68 : x
  2. Step 2: Convert to fraction form
    833,365.78/1,150,044.84 = 451,392.68/x
  3. Step 3: Cross multiply
    833,365.78x = 1,150,044.84 × 451,392.68
  4. Step 4: Simplify right side
    833,365.78x = 519,121,822,447.77
  5. Step 5: Solve for x
    x = 519,121,822,447.77/833,365.78
  6. Step 6: Final answer
    x = 622,921.93

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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.