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Finding the Fourth Proportional to 368,004.20, 552,006.30 and 256,029.80

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Solution

The fourth proportional to 368,004.20, 552,006.30 and 256,029.80 is: 384,044.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,004.20 : 552,006.30 = 256,029.80 : x
  2. Step 2: Convert to fraction form
    368,004.20/552,006.30 = 256,029.80/x
  3. Step 3: Cross multiply
    368,004.20x = 552,006.30 × 256,029.80
  4. Step 4: Simplify right side
    368,004.20x = 141,330,062,587.74
  5. Step 5: Solve for x
    x = 141,330,062,587.74/368,004.20
  6. Step 6: Final answer
    x = 384,044.70

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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.