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Finding the Fourth Proportional to 457,597.38, 686,075.85 and 329,596.32

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Solution

The fourth proportional to 457,597.38, 686,075.85 and 329,596.32 is: 494,163.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,597.38 : 686,075.85 = 329,596.32 : x
  2. Step 2: Convert to fraction form
    457,597.38/686,075.85 = 329,596.32/x
  3. Step 3: Cross multiply
    457,597.38x = 686,075.85 × 329,596.32
  4. Step 4: Simplify right side
    457,597.38x = 226,128,075,400.87
  5. Step 5: Solve for x
    x = 226,128,075,400.87/457,597.38
  6. Step 6: Final answer
    x = 494,163.83

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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.