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Finding the Fourth Proportional to 845,369.71, 1,268,073.02 and 508,692.00

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Solution

The fourth proportional to 845,369.71, 1,268,073.02 and 508,692.00 is: 763,049.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,369.71 : 1,268,073.02 = 508,692.00 : x
  2. Step 2: Convert to fraction form
    845,369.71/1,268,073.02 = 508,692.00/x
  3. Step 3: Cross multiply
    845,369.71x = 1,268,073.02 × 508,692.00
  4. Step 4: Simplify right side
    845,369.71x = 645,058,599,583.93
  5. Step 5: Solve for x
    x = 645,058,599,583.93/845,369.71
  6. Step 6: Final answer
    x = 763,049.10

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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.