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Finding the Fourth Proportional to 328,372.83, 492,588.41 and 118,070.91

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Solution

The fourth proportional to 328,372.83, 492,588.41 and 118,070.91 is: 177,116.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,372.83 : 492,588.41 = 118,070.91 : x
  2. Step 2: Convert to fraction form
    328,372.83/492,588.41 = 118,070.91/x
  3. Step 3: Cross multiply
    328,372.83x = 492,588.41 × 118,070.91
  4. Step 4: Simplify right side
    328,372.83x = 58,160,361,233.80
  5. Step 5: Solve for x
    x = 58,160,361,233.80/328,372.83
  6. Step 6: Final answer
    x = 177,116.85

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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.