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Finding the Fourth Proportional to 472,130.49, 708,194.82 and 147,943.41

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Solution

The fourth proportional to 472,130.49, 708,194.82 and 147,943.41 is: 221,914.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,130.49 : 708,194.82 = 147,943.41 : x
  2. Step 2: Convert to fraction form
    472,130.49/708,194.82 = 147,943.41/x
  3. Step 3: Cross multiply
    472,130.49x = 708,194.82 × 147,943.41
  4. Step 4: Simplify right side
    472,130.49x = 104,772,756,615.14
  5. Step 5: Solve for x
    x = 104,772,756,615.14/472,130.49
  6. Step 6: Final answer
    x = 221,914.83

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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.