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Finding the Fourth Proportional to 2,259.65, 3,389.54 and 616.22

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Solution

The fourth proportional to 2,259.65, 3,389.54 and 616.22 is: 924.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,259.65 : 3,389.54 = 616.22 : x
  2. Step 2: Convert to fraction form
    2,259.65/3,389.54 = 616.22/x
  3. Step 3: Cross multiply
    2,259.65x = 3,389.54 × 616.22
  4. Step 4: Simplify right side
    2,259.65x = 2,088,682.31
  5. Step 5: Solve for x
    x = 2,088,682.31/2,259.65
  6. Step 6: Final answer
    x = 924.34

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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.