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Finding the Fourth Proportional to 586,844.76, 879,936.66 and 187,391.64

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Solution

The fourth proportional to 586,844.76, 879,936.66 and 187,391.64 is: 280,981.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,844.76 : 879,936.66 = 187,391.64 : x
  2. Step 2: Convert to fraction form
    586,844.76/879,936.66 = 187,391.64/x
  3. Step 3: Cross multiply
    586,844.76x = 879,936.66 × 187,391.64
  4. Step 4: Simplify right side
    586,844.76x = 164,892,773,813.52
  5. Step 5: Solve for x
    x = 164,892,773,813.52/586,844.76
  6. Step 6: Final answer
    x = 280,981.93

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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.