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Finding the Fourth Proportional to 484,334.39, 726,528.92 and 147,386.03

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Solution

The fourth proportional to 484,334.39, 726,528.92 and 147,386.03 is: 221,087.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,334.39 : 726,528.92 = 147,386.03 : x
  2. Step 2: Convert to fraction form
    484,334.39/726,528.92 = 147,386.03/x
  3. Step 3: Cross multiply
    484,334.39x = 726,528.92 × 147,386.03
  4. Step 4: Simplify right side
    484,334.39x = 107,080,208,829.41
  5. Step 5: Solve for x
    x = 107,080,208,829.41/484,334.39
  6. Step 6: Final answer
    x = 221,087.35

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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.