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Finding the Fourth Proportional to 328,776.52, 493,168.08 and 104,132.68

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Solution

The fourth proportional to 328,776.52, 493,168.08 and 104,132.68 is: 156,200.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,776.52 : 493,168.08 = 104,132.68 : x
  2. Step 2: Convert to fraction form
    328,776.52/493,168.08 = 104,132.68/x
  3. Step 3: Cross multiply
    328,776.52x = 493,168.08 × 104,132.68
  4. Step 4: Simplify right side
    328,776.52x = 51,354,913,860.85
  5. Step 5: Solve for x
    x = 51,354,913,860.85/328,776.52
  6. Step 6: Final answer
    x = 156,200.07

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1.5x scale

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.