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Finding the Fourth Proportional to 693,583.44, 956,761.92 and 564,660.60

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Solution

The fourth proportional to 693,583.44, 956,761.92 and 564,660.60 is: 778,919.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,583.44 : 956,761.92 = 564,660.60 : x
  2. Step 2: Convert to fraction form
    693,583.44/956,761.92 = 564,660.60/x
  3. Step 3: Cross multiply
    693,583.44x = 956,761.92 × 564,660.60
  4. Step 4: Simplify right side
    693,583.44x = 540,245,759,804.35
  5. Step 5: Solve for x
    x = 540,245,759,804.35/693,583.44
  6. Step 6: Final answer
    x = 778,919.63

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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.