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Finding the Fourth Proportional to 431,583.49, 595,468.36 and 245,312.35

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Solution

The fourth proportional to 431,583.49, 595,468.36 and 245,312.35 is: 338,464.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,583.49 : 595,468.36 = 245,312.35 : x
  2. Step 2: Convert to fraction form
    431,583.49/595,468.36 = 245,312.35/x
  3. Step 3: Cross multiply
    431,583.49x = 595,468.36 × 245,312.35
  4. Step 4: Simplify right side
    431,583.49x = 146,075,741,560.22
  5. Step 5: Solve for x
    x = 146,075,741,560.22/431,583.49
  6. Step 6: Final answer
    x = 338,464.62

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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.