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Finding the Fourth Proportional to 536,723.88, 740,686.52 and 295,028.76

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Solution

The fourth proportional to 536,723.88, 740,686.52 and 295,028.76 is: 407,143.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,723.88 : 740,686.52 = 295,028.76 : x
  2. Step 2: Convert to fraction form
    536,723.88/740,686.52 = 295,028.76/x
  3. Step 3: Cross multiply
    536,723.88x = 740,686.52 × 295,028.76
  4. Step 4: Simplify right side
    536,723.88x = 218,523,825,544.32
  5. Step 5: Solve for x
    x = 218,523,825,544.32/536,723.88
  6. Step 6: Final answer
    x = 407,143.85

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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.