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Finding the Fourth Proportional to 357,773.61, 493,431.85 and 242,863.39

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Solution

The fourth proportional to 357,773.61, 493,431.85 and 242,863.39 is: 334,950.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,773.61 : 493,431.85 = 242,863.39 : x
  2. Step 2: Convert to fraction form
    357,773.61/493,431.85 = 242,863.39/x
  3. Step 3: Cross multiply
    357,773.61x = 493,431.85 × 242,863.39
  4. Step 4: Simplify right side
    357,773.61x = 119,836,531,357.56
  5. Step 5: Solve for x
    x = 119,836,531,357.56/357,773.61
  6. Step 6: Final answer
    x = 334,950.73

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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.