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Finding the Fourth Proportional to 411,489.82, 567,833.05 and 230,166.76

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Solution

The fourth proportional to 411,489.82, 567,833.05 and 230,166.76 is: 317,617.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,489.82 : 567,833.05 = 230,166.76 : x
  2. Step 2: Convert to fraction form
    411,489.82/567,833.05 = 230,166.76/x
  3. Step 3: Cross multiply
    411,489.82x = 567,833.05 × 230,166.76
  4. Step 4: Simplify right side
    411,489.82x = 130,696,293,339.42
  5. Step 5: Solve for x
    x = 130,696,293,339.42/411,489.82
  6. Step 6: Final answer
    x = 317,617.32

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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.