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Finding the Fourth Proportional to 586,930.80, 880,065.44 and 187,477.68

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Solution

The fourth proportional to 586,930.80, 880,065.44 and 187,477.68 is: 281,110.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,930.80 : 880,065.44 = 187,477.68 : x
  2. Step 2: Convert to fraction form
    586,930.80/880,065.44 = 187,477.68/x
  3. Step 3: Cross multiply
    586,930.80x = 880,065.44 × 187,477.68
  4. Step 4: Simplify right side
    586,930.80x = 164,992,626,939.38
  5. Step 5: Solve for x
    x = 164,992,626,939.38/586,930.80
  6. Step 6: Final answer
    x = 281,110.87

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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.