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Finding the Fourth Proportional to 617,237.23, 925,663.69 and 217,784.41

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Solution

The fourth proportional to 617,237.23, 925,663.69 and 217,784.41 is: 326,608.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,237.23 : 925,663.69 = 217,784.41 : x
  2. Step 2: Convert to fraction form
    617,237.23/925,663.69 = 217,784.41/x
  3. Step 3: Cross multiply
    617,237.23x = 925,663.69 × 217,784.41
  4. Step 4: Simplify right side
    617,237.23x = 201,595,123,724.59
  5. Step 5: Solve for x
    x = 201,595,123,724.59/617,237.23
  6. Step 6: Final answer
    x = 326,608.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.