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Finding the Fourth Proportional to 587,342.53, 810,922.76 and 451,132.93

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Solution

The fourth proportional to 587,342.53, 810,922.76 and 451,132.93 is: 622,863.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,342.53 : 810,922.76 = 451,132.93 : x
  2. Step 2: Convert to fraction form
    587,342.53/810,922.76 = 451,132.93/x
  3. Step 3: Cross multiply
    587,342.53x = 810,922.76 × 451,132.93
  4. Step 4: Simplify right side
    587,342.53x = 365,833,960,722.49
  5. Step 5: Solve for x
    x = 365,833,960,722.49/587,342.53
  6. Step 6: Final answer
    x = 622,863.05

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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.