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Finding the Fourth Proportional to 561,252.06, 842,210.24 and 206,515.19

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Solution

The fourth proportional to 561,252.06, 842,210.24 and 206,515.19 is: 309,895.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,252.06 : 842,210.24 = 206,515.19 : x
  2. Step 2: Convert to fraction form
    561,252.06/842,210.24 = 206,515.19/x
  3. Step 3: Cross multiply
    561,252.06x = 842,210.24 × 206,515.19
  4. Step 4: Simplify right side
    561,252.06x = 173,929,208,806.50
  5. Step 5: Solve for x
    x = 173,929,208,806.50/561,252.06
  6. Step 6: Final answer
    x = 309,895.00

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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.