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Finding the Fourth Proportional to 586,676.77, 809,546.99 and 328,517.82

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Solution

The fourth proportional to 586,676.77, 809,546.99 and 328,517.82 is: 453,317.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,676.77 : 809,546.99 = 328,517.82 : x
  2. Step 2: Convert to fraction form
    586,676.77/809,546.99 = 328,517.82/x
  3. Step 3: Cross multiply
    586,676.77x = 809,546.99 × 328,517.82
  4. Step 4: Simplify right side
    586,676.77x = 265,950,610,699.77
  5. Step 5: Solve for x
    x = 265,950,610,699.77/586,676.77
  6. Step 6: Final answer
    x = 453,317.10

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1.5x scale

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.