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Finding the Fourth Proportional to 586,709.76, 880,057.22 and 187,345.47

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Solution

The fourth proportional to 586,709.76, 880,057.22 and 187,345.47 is: 281,015.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,709.76 : 880,057.22 = 187,345.47 : x
  2. Step 2: Convert to fraction form
    586,709.76/880,057.22 = 187,345.47/x
  3. Step 3: Cross multiply
    586,709.76x = 880,057.22 × 187,345.47
  4. Step 4: Simplify right side
    586,709.76x = 164,874,732,571.07
  5. Step 5: Solve for x
    x = 164,874,732,571.07/586,709.76
  6. Step 6: Final answer
    x = 281,015.83

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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.