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Finding the Fourth Proportional to 343,335.36, 514,904.63 and 103,472.49

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Solution

The fourth proportional to 343,335.36, 514,904.63 and 103,472.49 is: 155,179.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,335.36 : 514,904.63 = 103,472.49 : x
  2. Step 2: Convert to fraction form
    343,335.36/514,904.63 = 103,472.49/x
  3. Step 3: Cross multiply
    343,335.36x = 514,904.63 × 103,472.49
  4. Step 4: Simplify right side
    343,335.36x = 53,278,463,661.27
  5. Step 5: Solve for x
    x = 53,278,463,661.27/343,335.36
  6. Step 6: Final answer
    x = 155,179.08

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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.