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Finding the Fourth Proportional to 436,044.80, 654,484.80 and 225,833.60

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Solution

The fourth proportional to 436,044.80, 654,484.80 and 225,833.60 is: 338,966.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,044.80 : 654,484.80 = 225,833.60 : x
  2. Step 2: Convert to fraction form
    436,044.80/654,484.80 = 225,833.60/x
  3. Step 3: Cross multiply
    436,044.80x = 654,484.80 × 225,833.60
  4. Step 4: Simplify right side
    436,044.80x = 147,804,658,529.28
  5. Step 5: Solve for x
    x = 147,804,658,529.28/436,044.80
  6. Step 6: Final answer
    x = 338,966.68

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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.