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Finding the Fourth Proportional to 886,580.64, 1,223,884.08 and 564,732

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Solution

The fourth proportional to 886,580.64, 1,223,884.08 and 564,732 is: 779,586.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,580.64 : 1,223,884.08 = 564,732 : x
  2. Step 2: Convert to fraction form
    886,580.64/1,223,884.08 = 564,732/x
  3. Step 3: Cross multiply
    886,580.64x = 1,223,884.08 × 564,732
  4. Step 4: Simplify right side
    886,580.64x = 691,166,504,266.56
  5. Step 5: Solve for x
    x = 691,166,504,266.56/886,580.64
  6. Step 6: Final answer
    x = 779,586.73

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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.