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Finding the Fourth Proportional to 543,556.20, 750,114.36 and 301,853.82

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Solution

The fourth proportional to 543,556.20, 750,114.36 and 301,853.82 is: 416,562.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,556.20 : 750,114.36 = 301,853.82 : x
  2. Step 2: Convert to fraction form
    543,556.20/750,114.36 = 301,853.82/x
  3. Step 3: Cross multiply
    543,556.20x = 750,114.36 × 301,853.82
  4. Step 4: Simplify right side
    543,556.20x = 226,424,885,002.86
  5. Step 5: Solve for x
    x = 226,424,885,002.86/543,556.20
  6. Step 6: Final answer
    x = 416,562.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.