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Finding the Fourth Proportional to 411,391.58, 567,772.97 and 230,113.58

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Solution

The fourth proportional to 411,391.58, 567,772.97 and 230,113.58 is: 317,586.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,391.58 : 567,772.97 = 230,113.58 : x
  2. Step 2: Convert to fraction form
    411,391.58/567,772.97 = 230,113.58/x
  3. Step 3: Cross multiply
    411,391.58x = 567,772.97 × 230,113.58
  4. Step 4: Simplify right side
    411,391.58x = 130,652,270,753.93
  5. Step 5: Solve for x
    x = 130,652,270,753.93/411,391.58
  6. Step 6: Final answer
    x = 317,586.16

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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.