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Finding the Fourth Proportional to 565,676.74, 850,070.31 and 528,688.90

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Solution

The fourth proportional to 565,676.74, 850,070.31 and 528,688.90 is: 794,486.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,676.74 : 850,070.31 = 528,688.90 : x
  2. Step 2: Convert to fraction form
    565,676.74/850,070.31 = 528,688.90/x
  3. Step 3: Cross multiply
    565,676.74x = 850,070.31 × 528,688.90
  4. Step 4: Simplify right side
    565,676.74x = 449,422,737,116.56
  5. Step 5: Solve for x
    x = 449,422,737,116.56/565,676.74
  6. Step 6: Final answer
    x = 794,486.86

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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.