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Finding the Fourth Proportional to 480,347.48, 720,599.52 and 147,923.48

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Solution

The fourth proportional to 480,347.48, 720,599.52 and 147,923.48 is: 221,909.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,347.48 : 720,599.52 = 147,923.48 : x
  2. Step 2: Convert to fraction form
    480,347.48/720,599.52 = 147,923.48/x
  3. Step 3: Cross multiply
    480,347.48x = 720,599.52 × 147,923.48
  4. Step 4: Simplify right side
    480,347.48x = 106,593,588,684.73
  5. Step 5: Solve for x
    x = 106,593,588,684.73/480,347.48
  6. Step 6: Final answer
    x = 221,909.33

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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.