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Finding the Fourth Proportional to 411,358.59, 567,673.25 and 230,069.79

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Solution

The fourth proportional to 411,358.59, 567,673.25 and 230,069.79 is: 317,495.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,358.59 : 567,673.25 = 230,069.79 : x
  2. Step 2: Convert to fraction form
    411,358.59/567,673.25 = 230,069.79/x
  3. Step 3: Cross multiply
    411,358.59x = 567,673.25 × 230,069.79
  4. Step 4: Simplify right side
    411,358.59x = 130,604,464,265.77
  5. Step 5: Solve for x
    x = 130,604,464,265.77/411,358.59
  6. Step 6: Final answer
    x = 317,495.41

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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.