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Finding the Fourth Proportional to 484,566.72, 726,886.98 and 147,636.14

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Solution

The fourth proportional to 484,566.72, 726,886.98 and 147,636.14 is: 221,465.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,566.72 : 726,886.98 = 147,636.14 : x
  2. Step 2: Convert to fraction form
    484,566.72/726,886.98 = 147,636.14/x
  3. Step 3: Cross multiply
    484,566.72x = 726,886.98 × 147,636.14
  4. Step 4: Simplify right side
    484,566.72x = 107,314,784,309.02
  5. Step 5: Solve for x
    x = 107,314,784,309.02/484,566.72
  6. Step 6: Final answer
    x = 221,465.45

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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.