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Finding the Fourth Proportional to 340,572.51, 510,859.71 and 340,080.48

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Solution

The fourth proportional to 340,572.51, 510,859.71 and 340,080.48 is: 510,121.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,572.51 : 510,859.71 = 340,080.48 : x
  2. Step 2: Convert to fraction form
    340,572.51/510,859.71 = 340,080.48/x
  3. Step 3: Cross multiply
    340,572.51x = 510,859.71 × 340,080.48
  4. Step 4: Simplify right side
    340,572.51x = 173,733,415,389.46
  5. Step 5: Solve for x
    x = 173,733,415,389.46/340,572.51
  6. Step 6: Final answer
    x = 510,121.66

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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.