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Finding the Fourth Proportional to 349,378.39, 524,077.80 and 96,660.91

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Solution

The fourth proportional to 349,378.39, 524,077.80 and 96,660.91 is: 144,994.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,378.39 : 524,077.80 = 96,660.91 : x
  2. Step 2: Convert to fraction form
    349,378.39/524,077.80 = 96,660.91/x
  3. Step 3: Cross multiply
    349,378.39x = 524,077.80 × 96,660.91
  4. Step 4: Simplify right side
    349,378.39x = 50,657,837,058.80
  5. Step 5: Solve for x
    x = 50,657,837,058.80/349,378.39
  6. Step 6: Final answer
    x = 144,994.19

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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.