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Finding the Fourth Proportional to 593,772.72, 890,965.32 and 278,261.68

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Solution

The fourth proportional to 593,772.72, 890,965.32 and 278,261.68 is: 417,536.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,772.72 : 890,965.32 = 278,261.68 : x
  2. Step 2: Convert to fraction form
    593,772.72/890,965.32 = 278,261.68/x
  3. Step 3: Cross multiply
    593,772.72x = 890,965.32 × 278,261.68
  4. Step 4: Simplify right side
    593,772.72x = 247,921,506,764.94
  5. Step 5: Solve for x
    x = 247,921,506,764.94/593,772.72
  6. Step 6: Final answer
    x = 417,536.03

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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.