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Finding the Fourth Proportional to 368,586.56, 508,665.83 and 207,452.05

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Solution

The fourth proportional to 368,586.56, 508,665.83 and 207,452.05 is: 286,293.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,586.56 : 508,665.83 = 207,452.05 : x
  2. Step 2: Convert to fraction form
    368,586.56/508,665.83 = 207,452.05/x
  3. Step 3: Cross multiply
    368,586.56x = 508,665.83 × 207,452.05
  4. Step 4: Simplify right side
    368,586.56x = 105,523,769,198.45
  5. Step 5: Solve for x
    x = 105,523,769,198.45/368,586.56
  6. Step 6: Final answer
    x = 286,293.05

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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.