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Finding the Fourth Proportional to 560,473.78, 773,559.30 and 351,018.73

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Solution

The fourth proportional to 560,473.78, 773,559.30 and 351,018.73 is: 484,471.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,473.78 : 773,559.30 = 351,018.73 : x
  2. Step 2: Convert to fraction form
    560,473.78/773,559.30 = 351,018.73/x
  3. Step 3: Cross multiply
    560,473.78x = 773,559.30 × 351,018.73
  4. Step 4: Simplify right side
    560,473.78x = 271,533,803,065.69
  5. Step 5: Solve for x
    x = 271,533,803,065.69/560,473.78
  6. Step 6: Final answer
    x = 484,471.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.