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Finding the Fourth Proportional to 671,620.60, 1,006,774.80 and 600,761.80

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Solution

The fourth proportional to 671,620.60, 1,006,774.80 and 600,761.80 is: 900,555.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,620.60 : 1,006,774.80 = 600,761.80 : x
  2. Step 2: Convert to fraction form
    671,620.60/1,006,774.80 = 600,761.80/x
  3. Step 3: Cross multiply
    671,620.60x = 1,006,774.80 × 600,761.80
  4. Step 4: Simplify right side
    671,620.60x = 604,831,841,042.64
  5. Step 5: Solve for x
    x = 604,831,841,042.64/671,620.60
  6. Step 6: Final answer
    x = 900,555.82

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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.