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Finding the Fourth Proportional to 648,700.68, 973,275.66 and 269,825.88

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Solution

The fourth proportional to 648,700.68, 973,275.66 and 269,825.88 is: 404,832.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,700.68 : 973,275.66 = 269,825.88 : x
  2. Step 2: Convert to fraction form
    648,700.68/973,275.66 = 269,825.88/x
  3. Step 3: Cross multiply
    648,700.68x = 973,275.66 × 269,825.88
  4. Step 4: Simplify right side
    648,700.68x = 262,614,961,442.08
  5. Step 5: Solve for x
    x = 262,614,961,442.08/648,700.68
  6. Step 6: Final answer
    x = 404,832.26

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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.