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Finding the Fourth Proportional to 536,501.53, 805,130.43 and 252,205.03

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Solution

The fourth proportional to 536,501.53, 805,130.43 and 252,205.03 is: 378,485.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,501.53 : 805,130.43 = 252,205.03 : x
  2. Step 2: Convert to fraction form
    536,501.53/805,130.43 = 252,205.03/x
  3. Step 3: Cross multiply
    536,501.53x = 805,130.43 × 252,205.03
  4. Step 4: Simplify right side
    536,501.53x = 203,057,944,252.06
  5. Step 5: Solve for x
    x = 203,057,944,252.06/536,501.53
  6. Step 6: Final answer
    x = 378,485.30

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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.