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Finding the Fourth Proportional to 888,323.18, 1,225,893.32 and 506,374.56

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Solution

The fourth proportional to 888,323.18, 1,225,893.32 and 506,374.56 is: 698,801.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,323.18 : 1,225,893.32 = 506,374.56 : x
  2. Step 2: Convert to fraction form
    888,323.18/1,225,893.32 = 506,374.56/x
  3. Step 3: Cross multiply
    888,323.18x = 1,225,893.32 × 506,374.56
  4. Step 4: Simplify right side
    888,323.18x = 620,761,190,521.94
  5. Step 5: Solve for x
    x = 620,761,190,521.94/888,323.18
  6. Step 6: Final answer
    x = 698,801.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.