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Finding the Fourth Proportional to 455,154.48, 682,819.80 and 174,649.92

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Solution

The fourth proportional to 455,154.48, 682,819.80 and 174,649.92 is: 262,008.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,154.48 : 682,819.80 = 174,649.92 : x
  2. Step 2: Convert to fraction form
    455,154.48/682,819.80 = 174,649.92/x
  3. Step 3: Cross multiply
    455,154.48x = 682,819.80 × 174,649.92
  4. Step 4: Simplify right side
    455,154.48x = 119,254,423,444.42
  5. Step 5: Solve for x
    x = 119,254,423,444.42/455,154.48
  6. Step 6: Final answer
    x = 262,008.68

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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.