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Finding the Fourth Proportional to 833,887.12, 1,150,765.22 and 451,913.92

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Solution

The fourth proportional to 833,887.12, 1,150,765.22 and 451,913.92 is: 623,641.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,887.12 : 1,150,765.22 = 451,913.92 : x
  2. Step 2: Convert to fraction form
    833,887.12/1,150,765.22 = 451,913.92/x
  3. Step 3: Cross multiply
    833,887.12x = 1,150,765.22 × 451,913.92
  4. Step 4: Simplify right side
    833,887.12x = 520,046,821,569.86
  5. Step 5: Solve for x
    x = 520,046,821,569.86/833,887.12
  6. Step 6: Final answer
    x = 623,641.75

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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.