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Finding the Fourth Proportional to 474,443.73, 713,372.67 and 437,456.30

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Solution

The fourth proportional to 474,443.73, 713,372.67 and 437,456.30 is: 657,758.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,443.73 : 713,372.67 = 437,456.30 : x
  2. Step 2: Convert to fraction form
    474,443.73/713,372.67 = 437,456.30/x
  3. Step 3: Cross multiply
    474,443.73x = 713,372.67 × 437,456.30
  4. Step 4: Simplify right side
    474,443.73x = 312,069,365,172.46
  5. Step 5: Solve for x
    x = 312,069,365,172.46/474,443.73
  6. Step 6: Final answer
    x = 657,758.43

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1.5x scale

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.