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Finding the Fourth Proportional to 536,658.55, 739,808.44 and 375,011.91

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Solution

The fourth proportional to 536,658.55, 739,808.44 and 375,011.91 is: 516,971.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,658.55 : 739,808.44 = 375,011.91 : x
  2. Step 2: Convert to fraction form
    536,658.55/739,808.44 = 375,011.91/x
  3. Step 3: Cross multiply
    536,658.55x = 739,808.44 × 375,011.91
  4. Step 4: Simplify right side
    536,658.55x = 277,436,975,180.99
  5. Step 5: Solve for x
    x = 277,436,975,180.99/536,658.55
  6. Step 6: Final answer
    x = 516,971.13

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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.