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Finding the Fourth Proportional to 526,292.40, 726,291.16 and 296,860.62

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Solution

The fourth proportional to 526,292.40, 726,291.16 and 296,860.62 is: 409,671.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,292.40 : 726,291.16 = 296,860.62 : x
  2. Step 2: Convert to fraction form
    526,292.40/726,291.16 = 296,860.62/x
  3. Step 3: Cross multiply
    526,292.40x = 726,291.16 × 296,860.62
  4. Step 4: Simplify right side
    526,292.40x = 215,607,244,058.12
  5. Step 5: Solve for x
    x = 215,607,244,058.12/526,292.40
  6. Step 6: Final answer
    x = 409,671.97

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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.