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Finding the Fourth Proportional to 605,588.80, 908,383.20 and 565,931.20

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Solution

The fourth proportional to 605,588.80, 908,383.20 and 565,931.20 is: 848,896.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,588.80 : 908,383.20 = 565,931.20 : x
  2. Step 2: Convert to fraction form
    605,588.80/908,383.20 = 565,931.20/x
  3. Step 3: Cross multiply
    605,588.80x = 908,383.20 × 565,931.20
  4. Step 4: Simplify right side
    605,588.80x = 514,082,394,435.84
  5. Step 5: Solve for x
    x = 514,082,394,435.84/605,588.80
  6. Step 6: Final answer
    x = 848,896.80

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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.