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Finding the Fourth Proportional to 468,255.71, 646,192.88 and 253,395.77

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Solution

The fourth proportional to 468,255.71, 646,192.88 and 253,395.77 is: 349,686.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,255.71 : 646,192.88 = 253,395.77 : x
  2. Step 2: Convert to fraction form
    468,255.71/646,192.88 = 253,395.77/x
  3. Step 3: Cross multiply
    468,255.71x = 646,192.88 × 253,395.77
  4. Step 4: Simplify right side
    468,255.71x = 163,742,542,744.62
  5. Step 5: Solve for x
    x = 163,742,542,744.62/468,255.71
  6. Step 6: Final answer
    x = 349,686.17

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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.