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Finding the Fourth Proportional to 552,186.40, 828,279.60 and 253,004.80

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Solution

The fourth proportional to 552,186.40, 828,279.60 and 253,004.80 is: 379,507.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,186.40 : 828,279.60 = 253,004.80 : x
  2. Step 2: Convert to fraction form
    552,186.40/828,279.60 = 253,004.80/x
  3. Step 3: Cross multiply
    552,186.40x = 828,279.60 × 253,004.80
  4. Step 4: Simplify right side
    552,186.40x = 209,558,714,542.08
  5. Step 5: Solve for x
    x = 209,558,714,542.08/552,186.40
  6. Step 6: Final answer
    x = 379,507.20

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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.