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Finding the Fourth Proportional to 586,125.86, 879,179.18 and 186,761.22

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Solution

The fourth proportional to 586,125.86, 879,179.18 and 186,761.22 is: 280,138.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,125.86 : 879,179.18 = 186,761.22 : x
  2. Step 2: Convert to fraction form
    586,125.86/879,179.18 = 186,761.22/x
  3. Step 3: Cross multiply
    586,125.86x = 879,179.18 × 186,761.22
  4. Step 4: Simplify right side
    586,125.86x = 164,196,576,255.40
  5. Step 5: Solve for x
    x = 164,196,576,255.40/586,125.86
  6. Step 6: Final answer
    x = 280,138.77

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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.