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Finding the Fourth Proportional to 411,729.48, 567,735.48 and 268,223.40

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Solution

The fourth proportional to 411,729.48, 567,735.48 and 268,223.40 is: 369,854.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,729.48 : 567,735.48 = 268,223.40 : x
  2. Step 2: Convert to fraction form
    411,729.48/567,735.48 = 268,223.40/x
  3. Step 3: Cross multiply
    411,729.48x = 567,735.48 × 268,223.40
  4. Step 4: Simplify right side
    411,729.48x = 152,279,940,746.23
  5. Step 5: Solve for x
    x = 152,279,940,746.23/411,729.48
  6. Step 6: Final answer
    x = 369,854.35

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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.