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Finding the Fourth Proportional to 586,545.76, 879,858.58 and 187,216.59

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Solution

The fourth proportional to 586,545.76, 879,858.58 and 187,216.59 is: 280,837.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,545.76 : 879,858.58 = 187,216.59 : x
  2. Step 2: Convert to fraction form
    586,545.76/879,858.58 = 187,216.59/x
  3. Step 3: Cross multiply
    586,545.76x = 879,858.58 × 187,216.59
  4. Step 4: Simplify right side
    586,545.76x = 164,724,123,029.84
  5. Step 5: Solve for x
    x = 164,724,123,029.84/586,545.76
  6. Step 6: Final answer
    x = 280,837.63

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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.