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Finding the Fourth Proportional to 534,504.52, 737,678.34 and 308,158.12

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Solution

The fourth proportional to 534,504.52, 737,678.34 and 308,158.12 is: 425,294.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,504.52 : 737,678.34 = 308,158.12 : x
  2. Step 2: Convert to fraction form
    534,504.52/737,678.34 = 308,158.12/x
  3. Step 3: Cross multiply
    534,504.52x = 737,678.34 × 308,158.12
  4. Step 4: Simplify right side
    534,504.52x = 227,321,570,419.12
  5. Step 5: Solve for x
    x = 227,321,570,419.12/534,504.52
  6. Step 6: Final answer
    x = 425,294.01

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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.