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Finding the Fourth Proportional to 496,588.88, 684,652.20 and 360,819.92

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Solution

The fourth proportional to 496,588.88, 684,652.20 and 360,819.92 is: 497,466.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,588.88 : 684,652.20 = 360,819.92 : x
  2. Step 2: Convert to fraction form
    496,588.88/684,652.20 = 360,819.92/x
  3. Step 3: Cross multiply
    496,588.88x = 684,652.20 × 360,819.92
  4. Step 4: Simplify right side
    496,588.88x = 247,036,152,031.82
  5. Step 5: Solve for x
    x = 247,036,152,031.82/496,588.88
  6. Step 6: Final answer
    x = 497,466.14

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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.