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Finding the Fourth Proportional to 571,984.92, 789,339.24 and 317,337.93

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Solution

The fourth proportional to 571,984.92, 789,339.24 and 317,337.93 is: 437,926.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,984.92 : 789,339.24 = 317,337.93 : x
  2. Step 2: Convert to fraction form
    571,984.92/789,339.24 = 317,337.93/x
  3. Step 3: Cross multiply
    571,984.92x = 789,339.24 × 317,337.93
  4. Step 4: Simplify right side
    571,984.92x = 250,487,280,489.37
  5. Step 5: Solve for x
    x = 250,487,280,489.37/571,984.92
  6. Step 6: Final answer
    x = 437,926.37

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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.