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Finding the Fourth Proportional to 586,860.69, 880,618.10 and 316,983.37

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Solution

The fourth proportional to 586,860.69, 880,618.10 and 316,983.37 is: 475,651.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,860.69 : 880,618.10 = 316,983.37 : x
  2. Step 2: Convert to fraction form
    586,860.69/880,618.10 = 316,983.37/x
  3. Step 3: Cross multiply
    586,860.69x = 880,618.10 × 316,983.37
  4. Step 4: Simplify right side
    586,860.69x = 279,141,290,885.69
  5. Step 5: Solve for x
    x = 279,141,290,885.69/586,860.69
  6. Step 6: Final answer
    x = 475,651.71

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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.