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Finding the Fourth Proportional to 845,873.68, 1,167,300.24 and 483,408.40

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Solution

The fourth proportional to 845,873.68, 1,167,300.24 and 483,408.40 is: 667,100.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,873.68 : 1,167,300.24 = 483,408.40 : x
  2. Step 2: Convert to fraction form
    845,873.68/1,167,300.24 = 483,408.40/x
  3. Step 3: Cross multiply
    845,873.68x = 1,167,300.24 × 483,408.40
  4. Step 4: Simplify right side
    845,873.68x = 564,282,741,338.02
  5. Step 5: Solve for x
    x = 564,282,741,338.02/845,873.68
  6. Step 6: Final answer
    x = 667,100.48

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Double scale
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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.