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Finding the Fourth Proportional to 463,557.58, 639,679.01 and 259,561.74

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Solution

The fourth proportional to 463,557.58, 639,679.01 and 259,561.74 is: 358,178.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,557.58 : 639,679.01 = 259,561.74 : x
  2. Step 2: Convert to fraction form
    463,557.58/639,679.01 = 259,561.74/x
  3. Step 3: Cross multiply
    463,557.58x = 639,679.01 × 259,561.74
  4. Step 4: Simplify right side
    463,557.58x = 166,036,197,525.98
  5. Step 5: Solve for x
    x = 166,036,197,525.98/463,557.58
  6. Step 6: Final answer
    x = 358,178.15

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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.