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Finding the Fourth Proportional to 564,739.90, 847,110.15 and 354,525.46

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Solution

The fourth proportional to 564,739.90, 847,110.15 and 354,525.46 is: 531,788.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,739.90 : 847,110.15 = 354,525.46 : x
  2. Step 2: Convert to fraction form
    564,739.90/847,110.15 = 354,525.46/x
  3. Step 3: Cross multiply
    564,739.90x = 847,110.15 × 354,525.46
  4. Step 4: Simplify right side
    564,739.90x = 300,322,113,481.64
  5. Step 5: Solve for x
    x = 300,322,113,481.64/564,739.90
  6. Step 6: Final answer
    x = 531,788.38

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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.