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Finding the Fourth Proportional to 994,262.64, 1,372,131 and 564,534.96

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Solution

The fourth proportional to 994,262.64, 1,372,131 and 564,534.96 is: 779,085.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,262.64 : 1,372,131 = 564,534.96 : x
  2. Step 2: Convert to fraction form
    994,262.64/1,372,131 = 564,534.96/x
  3. Step 3: Cross multiply
    994,262.64x = 1,372,131 × 564,534.96
  4. Step 4: Simplify right side
    994,262.64x = 774,615,919,199.76
  5. Step 5: Solve for x
    x = 774,615,919,199.76/994,262.64
  6. Step 6: Final answer
    x = 779,085.81

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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.