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Finding the Fourth Proportional to 343,283.82, 514,717.29 and 153,708.18

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Solution

The fourth proportional to 343,283.82, 514,717.29 and 153,708.18 is: 230,468.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,283.82 : 514,717.29 = 153,708.18 : x
  2. Step 2: Convert to fraction form
    343,283.82/514,717.29 = 153,708.18/x
  3. Step 3: Cross multiply
    343,283.82x = 514,717.29 × 153,708.18
  4. Step 4: Simplify right side
    343,283.82x = 79,116,257,860.43
  5. Step 5: Solve for x
    x = 79,116,257,860.43/343,283.82
  6. Step 6: Final answer
    x = 230,468.94

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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.