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Finding the Fourth Proportional to 570,123.76, 854,932.92 and 303,834.64

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Solution

The fourth proportional to 570,123.76, 854,932.92 and 303,834.64 is: 455,617.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,123.76 : 854,932.92 = 303,834.64 : x
  2. Step 2: Convert to fraction form
    570,123.76/854,932.92 = 303,834.64/x
  3. Step 3: Cross multiply
    570,123.76x = 854,932.92 × 303,834.64
  4. Step 4: Simplify right side
    570,123.76x = 259,758,235,972.35
  5. Step 5: Solve for x
    x = 259,758,235,972.35/570,123.76
  6. Step 6: Final answer
    x = 455,617.28

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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.