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Finding the Fourth Proportional to 399,649.48, 599,497.26 and 150,333.64

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Solution

The fourth proportional to 399,649.48, 599,497.26 and 150,333.64 is: 225,509.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,649.48 : 599,497.26 = 150,333.64 : x
  2. Step 2: Convert to fraction form
    399,649.48/599,497.26 = 150,333.64/x
  3. Step 3: Cross multiply
    399,649.48x = 599,497.26 × 150,333.64
  4. Step 4: Simplify right side
    399,649.48x = 90,124,605,265.83
  5. Step 5: Solve for x
    x = 90,124,605,265.83/399,649.48
  6. Step 6: Final answer
    x = 225,509.13

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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.