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Finding the Fourth Proportional to 340,395.77, 510,357.21 and 150,752.80

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Solution

The fourth proportional to 340,395.77, 510,357.21 and 150,752.80 is: 226,024.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,395.77 : 510,357.21 = 150,752.80 : x
  2. Step 2: Convert to fraction form
    340,395.77/510,357.21 = 150,752.80/x
  3. Step 3: Cross multiply
    340,395.77x = 510,357.21 × 150,752.80
  4. Step 4: Simplify right side
    340,395.77x = 76,937,778,407.69
  5. Step 5: Solve for x
    x = 76,937,778,407.69/340,395.77
  6. Step 6: Final answer
    x = 226,024.48

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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.