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Finding the Fourth Proportional to 526,092.32, 726,015.06 and 296,660.63

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Solution

The fourth proportional to 526,092.32, 726,015.06 and 296,660.63 is: 409,395.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,092.32 : 726,015.06 = 296,660.63 : x
  2. Step 2: Convert to fraction form
    526,092.32/726,015.06 = 296,660.63/x
  3. Step 3: Cross multiply
    526,092.32x = 726,015.06 × 296,660.63
  4. Step 4: Simplify right side
    526,092.32x = 215,380,081,459.01
  5. Step 5: Solve for x
    x = 215,380,081,459.01/526,092.32
  6. Step 6: Final answer
    x = 409,395.98

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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.