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Finding the Fourth Proportional to 806,627.88, 1,209,280.86 and 333,652.68

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Solution

The fourth proportional to 806,627.88, 1,209,280.86 and 333,652.68 is: 500,205.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,627.88 : 1,209,280.86 = 333,652.68 : x
  2. Step 2: Convert to fraction form
    806,627.88/1,209,280.86 = 333,652.68/x
  3. Step 3: Cross multiply
    806,627.88x = 1,209,280.86 × 333,652.68
  4. Step 4: Simplify right side
    806,627.88x = 403,479,799,811.71
  5. Step 5: Solve for x
    x = 403,479,799,811.71/806,627.88
  6. Step 6: Final answer
    x = 500,205.62

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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.