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Finding the Fourth Proportional to 534,173.46, 737,156.97 and 289,158.42

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Solution

The fourth proportional to 534,173.46, 737,156.97 and 289,158.42 is: 399,037.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,173.46 : 737,156.97 = 289,158.42 : x
  2. Step 2: Convert to fraction form
    534,173.46/737,156.97 = 289,158.42/x
  3. Step 3: Cross multiply
    534,173.46x = 737,156.97 × 289,158.42
  4. Step 4: Simplify right side
    534,173.46x = 213,155,144,737.19
  5. Step 5: Solve for x
    x = 213,155,144,737.19/534,173.46
  6. Step 6: Final answer
    x = 399,037.32

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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.