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Finding the Fourth Proportional to 581,212.82, 801,794.39 and 500,500.23

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Solution

The fourth proportional to 581,212.82, 801,794.39 and 500,500.23 is: 690,449.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,212.82 : 801,794.39 = 500,500.23 : x
  2. Step 2: Convert to fraction form
    581,212.82/801,794.39 = 500,500.23/x
  3. Step 3: Cross multiply
    581,212.82x = 801,794.39 × 500,500.23
  4. Step 4: Simplify right side
    581,212.82x = 401,298,276,607.71
  5. Step 5: Solve for x
    x = 401,298,276,607.71/581,212.82
  6. Step 6: Final answer
    x = 690,449.80

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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.