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Finding the Fourth Proportional to 546,930.42, 820,395.63 and 147,571.19

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Solution

The fourth proportional to 546,930.42, 820,395.63 and 147,571.19 is: 221,356.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,930.42 : 820,395.63 = 147,571.19 : x
  2. Step 2: Convert to fraction form
    546,930.42/820,395.63 = 147,571.19/x
  3. Step 3: Cross multiply
    546,930.42x = 820,395.63 × 147,571.19
  4. Step 4: Simplify right side
    546,930.42x = 121,066,763,526.95
  5. Step 5: Solve for x
    x = 121,066,763,526.95/546,930.42
  6. Step 6: Final answer
    x = 221,356.79

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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.