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Finding the Fourth Proportional to 618,303.90, 927,511.20 and 169,027.11

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Solution

The fourth proportional to 618,303.90, 927,511.20 and 169,027.11 is: 253,555.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,303.90 : 927,511.20 = 169,027.11 : x
  2. Step 2: Convert to fraction form
    618,303.90/927,511.20 = 169,027.11/x
  3. Step 3: Cross multiply
    618,303.90x = 927,511.20 × 169,027.11
  4. Step 4: Simplify right side
    618,303.90x = 156,774,537,628.63
  5. Step 5: Solve for x
    x = 156,774,537,628.63/618,303.90
  6. Step 6: Final answer
    x = 253,555.80

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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.