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Finding the Fourth Proportional to 806,885.82, 1,209,607.02 and 333,269.10

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Solution

The fourth proportional to 806,885.82, 1,209,607.02 and 333,269.10 is: 499,605.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,885.82 : 1,209,607.02 = 333,269.10 : x
  2. Step 2: Convert to fraction form
    806,885.82/1,209,607.02 = 333,269.10/x
  3. Step 3: Cross multiply
    806,885.82x = 1,209,607.02 × 333,269.10
  4. Step 4: Simplify right side
    806,885.82x = 403,124,642,909.08
  5. Step 5: Solve for x
    x = 403,124,642,909.08/806,885.82
  6. Step 6: Final answer
    x = 499,605.56

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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.