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Finding the Fourth Proportional to 833,879.12, 1,150,754.16 and 451,905.89

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Solution

The fourth proportional to 833,879.12, 1,150,754.16 and 451,905.89 is: 623,630.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,879.12 : 1,150,754.16 = 451,905.89 : x
  2. Step 2: Convert to fraction form
    833,879.12/1,150,754.16 = 451,905.89/x
  3. Step 3: Cross multiply
    833,879.12x = 1,150,754.16 × 451,905.89
  4. Step 4: Simplify right side
    833,879.12x = 520,032,577,092.23
  5. Step 5: Solve for x
    x = 520,032,577,092.23/833,879.12
  6. Step 6: Final answer
    x = 623,630.65

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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.