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Finding the Fourth Proportional to 833,593.62, 1,150,360.40 and 451,620.40

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Solution

The fourth proportional to 833,593.62, 1,150,360.40 and 451,620.40 is: 623,236.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,593.62 : 1,150,360.40 = 451,620.40 : x
  2. Step 2: Convert to fraction form
    833,593.62/1,150,360.40 = 451,620.40/x
  3. Step 3: Cross multiply
    833,593.62x = 1,150,360.40 × 451,620.40
  4. Step 4: Simplify right side
    833,593.62x = 519,526,223,992.16
  5. Step 5: Solve for x
    x = 519,526,223,992.16/833,593.62
  6. Step 6: Final answer
    x = 623,236.80

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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.