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Finding the Fourth Proportional to 555,712.20, 832,682.34 and 355,868.10

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Solution

The fourth proportional to 555,712.20, 832,682.34 and 355,868.10 is: 533,234.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,712.20 : 832,682.34 = 355,868.10 : x
  2. Step 2: Convert to fraction form
    555,712.20/832,682.34 = 355,868.10/x
  3. Step 3: Cross multiply
    555,712.20x = 832,682.34 × 355,868.10
  4. Step 4: Simplify right side
    555,712.20x = 296,325,082,239.35
  5. Step 5: Solve for x
    x = 296,325,082,239.35/555,712.20
  6. Step 6: Final answer
    x = 533,234.80

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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.