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Finding the Fourth Proportional to 431,586.81, 595,592.33 and 250,406.60

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Solution

The fourth proportional to 431,586.81, 595,592.33 and 250,406.60 is: 345,562.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,586.81 : 595,592.33 = 250,406.60 : x
  2. Step 2: Convert to fraction form
    431,586.81/595,592.33 = 250,406.60/x
  3. Step 3: Cross multiply
    431,586.81x = 595,592.33 × 250,406.60
  4. Step 4: Simplify right side
    431,586.81x = 149,140,246,111.38
  5. Step 5: Solve for x
    x = 149,140,246,111.38/431,586.81
  6. Step 6: Final answer
    x = 345,562.57

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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.