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Finding the Fourth Proportional to 536,695.46, 740,644.35 and 294,983.66

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Solution

The fourth proportional to 536,695.46, 740,644.35 and 294,983.66 is: 407,079.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,695.46 : 740,644.35 = 294,983.66 : x
  2. Step 2: Convert to fraction form
    536,695.46/740,644.35 = 294,983.66/x
  3. Step 3: Cross multiply
    536,695.46x = 740,644.35 × 294,983.66
  4. Step 4: Simplify right side
    536,695.46x = 218,477,977,418.10
  5. Step 5: Solve for x
    x = 218,477,977,418.10/536,695.46
  6. Step 6: Final answer
    x = 407,079.98

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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.