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Finding the Fourth Proportional to 702,366.50, 968,956.88 and 411,829.76

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Solution

The fourth proportional to 702,366.50, 968,956.88 and 411,829.76 is: 568,143.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,366.50 : 968,956.88 = 411,829.76 : x
  2. Step 2: Convert to fraction form
    702,366.50/968,956.88 = 411,829.76/x
  3. Step 3: Cross multiply
    702,366.50x = 968,956.88 × 411,829.76
  4. Step 4: Simplify right side
    702,366.50x = 399,045,279,340.75
  5. Step 5: Solve for x
    x = 399,045,279,340.75/702,366.50
  6. Step 6: Final answer
    x = 568,143.95

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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.