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Finding the Fourth Proportional to 634,489.21, 875,804.46 and 567,228.70

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Solution

The fourth proportional to 634,489.21, 875,804.46 and 567,228.70 is: 782,962.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,489.21 : 875,804.46 = 567,228.70 : x
  2. Step 2: Convert to fraction form
    634,489.21/875,804.46 = 567,228.70/x
  3. Step 3: Cross multiply
    634,489.21x = 875,804.46 × 567,228.70
  4. Step 4: Simplify right side
    634,489.21x = 496,781,425,300.00
  5. Step 5: Solve for x
    x = 496,781,425,300.00/634,489.21
  6. Step 6: Final answer
    x = 782,962.76

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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.