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Finding the Fourth Proportional to 895,761, 1,340,485.54 and 558,959.96

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Solution

The fourth proportional to 895,761, 1,340,485.54 and 558,959.96 is: 836,470.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,761 : 1,340,485.54 = 558,959.96 : x
  2. Step 2: Convert to fraction form
    895,761/1,340,485.54 = 558,959.96/x
  3. Step 3: Cross multiply
    895,761x = 1,340,485.54 × 558,959.96
  4. Step 4: Simplify right side
    895,761x = 749,277,745,772.79
  5. Step 5: Solve for x
    x = 749,277,745,772.79/895,761
  6. Step 6: Final answer
    x = 836,470.61

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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.