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Finding the Fourth Proportional to 504,161.80, 756,242.70 and 336,200.20

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Solution

The fourth proportional to 504,161.80, 756,242.70 and 336,200.20 is: 504,300.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,161.80 : 756,242.70 = 336,200.20 : x
  2. Step 2: Convert to fraction form
    504,161.80/756,242.70 = 336,200.20/x
  3. Step 3: Cross multiply
    504,161.80x = 756,242.70 × 336,200.20
  4. Step 4: Simplify right side
    504,161.80x = 254,248,946,988.54
  5. Step 5: Solve for x
    x = 254,248,946,988.54/504,161.80
  6. Step 6: Final answer
    x = 504,300.30

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Double scale
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Similar ratio
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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.