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Finding the Fourth Proportional to 526,077.78, 726,058.47 and 296,682.24

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Solution

The fourth proportional to 526,077.78, 726,058.47 and 296,682.24 is: 409,461.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,077.78 : 726,058.47 = 296,682.24 : x
  2. Step 2: Convert to fraction form
    526,077.78/726,058.47 = 296,682.24/x
  3. Step 3: Cross multiply
    526,077.78x = 726,058.47 × 296,682.24
  4. Step 4: Simplify right side
    526,077.78x = 215,408,653,250.57
  5. Step 5: Solve for x
    x = 215,408,653,250.57/526,077.78
  6. Step 6: Final answer
    x = 409,461.61

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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.