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Finding the Fourth Proportional to 586,545.69, 879,858.48 and 187,216.53

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Solution

The fourth proportional to 586,545.69, 879,858.48 and 187,216.53 is: 280,837.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,545.69 : 879,858.48 = 187,216.53 : x
  2. Step 2: Convert to fraction form
    586,545.69/879,858.48 = 187,216.53/x
  3. Step 3: Cross multiply
    586,545.69x = 879,858.48 × 187,216.53
  4. Step 4: Simplify right side
    586,545.69x = 164,724,051,516.67
  5. Step 5: Solve for x
    x = 164,724,051,516.67/586,545.69
  6. Step 6: Final answer
    x = 280,837.54

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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.