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Finding the Fourth Proportional to 536,679.05, 740,585.75 and 294,961.79

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Solution

The fourth proportional to 536,679.05, 740,585.75 and 294,961.79 is: 407,030.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,679.05 : 740,585.75 = 294,961.79 : x
  2. Step 2: Convert to fraction form
    536,679.05/740,585.75 = 294,961.79/x
  3. Step 3: Cross multiply
    536,679.05x = 740,585.75 × 294,961.79
  4. Step 4: Simplify right side
    536,679.05x = 218,444,498,845.15
  5. Step 5: Solve for x
    x = 218,444,498,845.15/536,679.05
  6. Step 6: Final answer
    x = 407,030.05

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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.