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Finding the Fourth Proportional to 508,289.52, 762,682.68 and 359,486.04

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Solution

The fourth proportional to 508,289.52, 762,682.68 and 359,486.04 is: 539,404.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,289.52 : 762,682.68 = 359,486.04 : x
  2. Step 2: Convert to fraction form
    508,289.52/762,682.68 = 359,486.04/x
  3. Step 3: Cross multiply
    508,289.52x = 762,682.68 × 359,486.04
  4. Step 4: Simplify right side
    508,289.52x = 274,173,776,409.79
  5. Step 5: Solve for x
    x = 274,173,776,409.79/508,289.52
  6. Step 6: Final answer
    x = 539,404.74

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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.