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Finding the Fourth Proportional to 584,420.06, 806,491.82 and 326,300.97

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Solution

The fourth proportional to 584,420.06, 806,491.82 and 326,300.97 is: 450,290.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,420.06 : 806,491.82 = 326,300.97 : x
  2. Step 2: Convert to fraction form
    584,420.06/806,491.82 = 326,300.97/x
  3. Step 3: Cross multiply
    584,420.06x = 806,491.82 × 326,300.97
  4. Step 4: Simplify right side
    584,420.06x = 263,159,067,003.16
  5. Step 5: Solve for x
    x = 263,159,067,003.16/584,420.06
  6. Step 6: Final answer
    x = 450,290.95

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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.