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Finding the Fourth Proportional to 523,247.04, 722,218.92 and 308,530.08

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Solution

The fourth proportional to 523,247.04, 722,218.92 and 308,530.08 is: 425,852.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,247.04 : 722,218.92 = 308,530.08 : x
  2. Step 2: Convert to fraction form
    523,247.04/722,218.92 = 308,530.08/x
  3. Step 3: Cross multiply
    523,247.04x = 722,218.92 × 308,530.08
  4. Step 4: Simplify right side
    523,247.04x = 222,826,261,165.11
  5. Step 5: Solve for x
    x = 222,826,261,165.11/523,247.04
  6. Step 6: Final answer
    x = 425,852.88

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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.