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Finding the Fourth Proportional to 355,514.92, 533,487.42 and 155,846.68

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Solution

The fourth proportional to 355,514.92, 533,487.42 and 155,846.68 is: 233,864.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,514.92 : 533,487.42 = 155,846.68 : x
  2. Step 2: Convert to fraction form
    355,514.92/533,487.42 = 155,846.68/x
  3. Step 3: Cross multiply
    355,514.92x = 533,487.42 × 155,846.68
  4. Step 4: Simplify right side
    355,514.92x = 83,142,243,228.77
  5. Step 5: Solve for x
    x = 83,142,243,228.77/355,514.92
  6. Step 6: Final answer
    x = 233,864.29

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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.