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Finding the Fourth Proportional to 484,425.90, 726,555.02 and 147,384.90

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Solution

The fourth proportional to 484,425.90, 726,555.02 and 147,384.90 is: 221,051.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,425.90 : 726,555.02 = 147,384.90 : x
  2. Step 2: Convert to fraction form
    484,425.90/726,555.02 = 147,384.90/x
  3. Step 3: Cross multiply
    484,425.90x = 726,555.02 × 147,384.90
  4. Step 4: Simplify right side
    484,425.90x = 107,083,238,230.27
  5. Step 5: Solve for x
    x = 107,083,238,230.27/484,425.90
  6. Step 6: Final answer
    x = 221,051.84

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1.5x scale

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.