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Finding the Fourth Proportional to 522,309.24, 720,521.48 and 341,127.22

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Solution

The fourth proportional to 522,309.24, 720,521.48 and 341,127.22 is: 470,582.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,309.24 : 720,521.48 = 341,127.22 : x
  2. Step 2: Convert to fraction form
    522,309.24/720,521.48 = 341,127.22/x
  3. Step 3: Cross multiply
    522,309.24x = 720,521.48 × 341,127.22
  4. Step 4: Simplify right side
    522,309.24x = 245,789,489,422.69
  5. Step 5: Solve for x
    x = 245,789,489,422.69/522,309.24
  6. Step 6: Final answer
    x = 470,582.31

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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.