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Finding the Fourth Proportional to 536,700.90, 740,651.85 and 294,989.09

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Solution

The fourth proportional to 536,700.90, 740,651.85 and 294,989.09 is: 407,087.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,700.90 : 740,651.85 = 294,989.09 : x
  2. Step 2: Convert to fraction form
    536,700.90/740,651.85 = 294,989.09/x
  3. Step 3: Cross multiply
    536,700.90x = 740,651.85 × 294,989.09
  4. Step 4: Simplify right side
    536,700.90x = 218,484,215,238.32
  5. Step 5: Solve for x
    x = 218,484,215,238.32/536,700.90
  6. Step 6: Final answer
    x = 407,087.48

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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.