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Finding the Fourth Proportional to 761,912.64, 1,051,226.64 and 600,265.92

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Solution

The fourth proportional to 761,912.64, 1,051,226.64 and 600,265.92 is: 828,199.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,912.64 : 1,051,226.64 = 600,265.92 : x
  2. Step 2: Convert to fraction form
    761,912.64/1,051,226.64 = 600,265.92/x
  3. Step 3: Cross multiply
    761,912.64x = 1,051,226.64 × 600,265.92
  4. Step 4: Simplify right side
    761,912.64x = 631,015,526,188.11
  5. Step 5: Solve for x
    x = 631,015,526,188.11/761,912.64
  6. Step 6: Final answer
    x = 828,199.31

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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.