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Finding the Fourth Proportional to 534,548.12, 737,396.78 and 330,533.82

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Solution

The fourth proportional to 534,548.12, 737,396.78 and 330,533.82 is: 455,963.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,548.12 : 737,396.78 = 330,533.82 : x
  2. Step 2: Convert to fraction form
    534,548.12/737,396.78 = 330,533.82/x
  3. Step 3: Cross multiply
    534,548.12x = 737,396.78 × 330,533.82
  4. Step 4: Simplify right side
    534,548.12x = 243,734,572,896.43
  5. Step 5: Solve for x
    x = 243,734,572,896.43/534,548.12
  6. Step 6: Final answer
    x = 455,963.77

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1.5x scale

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.