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Finding the Fourth Proportional to 518,674.24, 715,748.29 and 382,659.22

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Solution

The fourth proportional to 518,674.24, 715,748.29 and 382,659.22 is: 528,053.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,674.24 : 715,748.29 = 382,659.22 : x
  2. Step 2: Convert to fraction form
    518,674.24/715,748.29 = 382,659.22/x
  3. Step 3: Cross multiply
    518,674.24x = 715,748.29 × 382,659.22
  4. Step 4: Simplify right side
    518,674.24x = 273,887,682,367.73
  5. Step 5: Solve for x
    x = 273,887,682,367.73/518,674.24
  6. Step 6: Final answer
    x = 528,053.37

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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.