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Finding the Fourth Proportional to 586,717.88, 879,935.86 and 270,871.36

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Solution

The fourth proportional to 586,717.88, 879,935.86 and 270,871.36 is: 406,241.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,717.88 : 879,935.86 = 270,871.36 : x
  2. Step 2: Convert to fraction form
    586,717.88/879,935.86 = 270,871.36/x
  3. Step 3: Cross multiply
    586,717.88x = 879,935.86 × 270,871.36
  4. Step 4: Simplify right side
    586,717.88x = 238,349,423,110.97
  5. Step 5: Solve for x
    x = 238,349,423,110.97/586,717.88
  6. Step 6: Final answer
    x = 406,241.96

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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.