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Finding the Fourth Proportional to 538,348.19, 806,298.17 and 417,436.25

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Solution

The fourth proportional to 538,348.19, 806,298.17 and 417,436.25 is: 625,205.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,348.19 : 806,298.17 = 417,436.25 : x
  2. Step 2: Convert to fraction form
    538,348.19/806,298.17 = 417,436.25/x
  3. Step 3: Cross multiply
    538,348.19x = 806,298.17 × 417,436.25
  4. Step 4: Simplify right side
    538,348.19x = 336,578,078,347.99
  5. Step 5: Solve for x
    x = 336,578,078,347.99/538,348.19
  6. Step 6: Final answer
    x = 625,205.19

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.