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Finding the Fourth Proportional to 357,045.48, 492,722.72 and 204,086.94

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Solution

The fourth proportional to 357,045.48, 492,722.72 and 204,086.94 is: 281,639.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,045.48 : 492,722.72 = 204,086.94 : x
  2. Step 2: Convert to fraction form
    357,045.48/492,722.72 = 204,086.94/x
  3. Step 3: Cross multiply
    357,045.48x = 492,722.72 × 204,086.94
  4. Step 4: Simplify right side
    357,045.48x = 100,558,268,709.23
  5. Step 5: Solve for x
    x = 100,558,268,709.23/357,045.48
  6. Step 6: Final answer
    x = 281,639.95

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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.