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Finding the Fourth Proportional to 522,301.20, 783,521.52 and 206,684.28

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Solution

The fourth proportional to 522,301.20, 783,521.52 and 206,684.28 is: 310,054.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,301.20 : 783,521.52 = 206,684.28 : x
  2. Step 2: Convert to fraction form
    522,301.20/783,521.52 = 206,684.28/x
  3. Step 3: Cross multiply
    522,301.20x = 783,521.52 × 206,684.28
  4. Step 4: Simplify right side
    522,301.20x = 161,941,581,225.71
  5. Step 5: Solve for x
    x = 161,941,581,225.71/522,301.20
  6. Step 6: Final answer
    x = 310,054.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.