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Finding the Fourth Proportional to 617,261.64, 925,051.74 and 347,518.56

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Solution

The fourth proportional to 617,261.64, 925,051.74 and 347,518.56 is: 520,804.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,261.64 : 925,051.74 = 347,518.56 : x
  2. Step 2: Convert to fraction form
    617,261.64/925,051.74 = 347,518.56/x
  3. Step 3: Cross multiply
    617,261.64x = 925,051.74 × 347,518.56
  4. Step 4: Simplify right side
    617,261.64x = 321,472,648,610.29
  5. Step 5: Solve for x
    x = 321,472,648,610.29/617,261.64
  6. Step 6: Final answer
    x = 520,804.51

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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.