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Finding the Fourth Proportional to 245,681.52, 365,986.80 and 238,247.52

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Solution

The fourth proportional to 245,681.52, 365,986.80 and 238,247.52 is: 354,912.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,681.52 : 365,986.80 = 238,247.52 : x
  2. Step 2: Convert to fraction form
    245,681.52/365,986.80 = 238,247.52/x
  3. Step 3: Cross multiply
    245,681.52x = 365,986.80 × 238,247.52
  4. Step 4: Simplify right side
    245,681.52x = 87,195,447,452.74
  5. Step 5: Solve for x
    x = 87,195,447,452.74/245,681.52
  6. Step 6: Final answer
    x = 354,912.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.