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Finding the Fourth Proportional to 588,658.05, 812,349.81 and 334,008.63

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Solution

The fourth proportional to 588,658.05, 812,349.81 and 334,008.63 is: 460,932.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,658.05 : 812,349.81 = 334,008.63 : x
  2. Step 2: Convert to fraction form
    588,658.05/812,349.81 = 334,008.63/x
  3. Step 3: Cross multiply
    588,658.05x = 812,349.81 × 334,008.63
  4. Step 4: Simplify right side
    588,658.05x = 271,331,847,118.86
  5. Step 5: Solve for x
    x = 271,331,847,118.86/588,658.05
  6. Step 6: Final answer
    x = 460,932.87

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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.