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Finding the Fourth Proportional to 440,935.88, 608,473.89 and 259,655.45

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Solution

The fourth proportional to 440,935.88, 608,473.89 and 259,655.45 is: 358,314.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,935.88 : 608,473.89 = 259,655.45 : x
  2. Step 2: Convert to fraction form
    440,935.88/608,473.89 = 259,655.45/x
  3. Step 3: Cross multiply
    440,935.88x = 608,473.89 × 259,655.45
  4. Step 4: Simplify right side
    440,935.88x = 157,993,558,678.83
  5. Step 5: Solve for x
    x = 157,993,558,678.83/440,935.88
  6. Step 6: Final answer
    x = 358,314.14

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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.