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Finding the Fourth Proportional to 480,346.48, 720,598.02 and 147,922.48

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Solution

The fourth proportional to 480,346.48, 720,598.02 and 147,922.48 is: 221,907.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,346.48 : 720,598.02 = 147,922.48 : x
  2. Step 2: Convert to fraction form
    480,346.48/720,598.02 = 147,922.48/x
  3. Step 3: Cross multiply
    480,346.48x = 720,598.02 × 147,922.48
  4. Step 4: Simplify right side
    480,346.48x = 106,592,646,201.49
  5. Step 5: Solve for x
    x = 106,592,646,201.49/480,346.48
  6. Step 6: Final answer
    x = 221,907.83

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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.