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Finding the Fourth Proportional to 586,319.77, 879,622.89 and 186,960.61

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Solution

The fourth proportional to 586,319.77, 879,622.89 and 186,960.61 is: 280,486.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,319.77 : 879,622.89 = 186,960.61 : x
  2. Step 2: Convert to fraction form
    586,319.77/879,622.89 = 186,960.61/x
  3. Step 3: Cross multiply
    586,319.77x = 879,622.89 × 186,960.61
  4. Step 4: Simplify right side
    586,319.77x = 164,454,832,084.36
  5. Step 5: Solve for x
    x = 164,454,832,084.36/586,319.77
  6. Step 6: Final answer
    x = 280,486.59

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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.