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Finding the Fourth Proportional to 526,074.75, 726,054.23 and 296,679.11

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Solution

The fourth proportional to 526,074.75, 726,054.23 and 296,679.11 is: 409,457.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,074.75 : 726,054.23 = 296,679.11 : x
  2. Step 2: Convert to fraction form
    526,074.75/726,054.23 = 296,679.11/x
  3. Step 3: Cross multiply
    526,074.75x = 726,054.23 × 296,679.11
  4. Step 4: Simplify right side
    526,074.75x = 215,405,119,879.56
  5. Step 5: Solve for x
    x = 215,405,119,879.56/526,074.75
  6. Step 6: Final answer
    x = 409,457.25

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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.