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Finding the Fourth Proportional to 469,871.61, 704,649.45 and 170,289.48

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Solution

The fourth proportional to 469,871.61, 704,649.45 and 170,289.48 is: 255,376.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,871.61 : 704,649.45 = 170,289.48 : x
  2. Step 2: Convert to fraction form
    469,871.61/704,649.45 = 170,289.48/x
  3. Step 3: Cross multiply
    469,871.61x = 704,649.45 × 170,289.48
  4. Step 4: Simplify right side
    469,871.61x = 119,994,388,422.79
  5. Step 5: Solve for x
    x = 119,994,388,422.79/469,871.61
  6. Step 6: Final answer
    x = 255,376.97

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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.