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Finding the Fourth Proportional to 538,768.62, 808,075.98 and 201,763.26

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Solution

The fourth proportional to 538,768.62, 808,075.98 and 201,763.26 is: 302,616.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,768.62 : 808,075.98 = 201,763.26 : x
  2. Step 2: Convert to fraction form
    538,768.62/808,075.98 = 201,763.26/x
  3. Step 3: Cross multiply
    538,768.62x = 808,075.98 × 201,763.26
  4. Step 4: Simplify right side
    538,768.62x = 163,040,044,052.50
  5. Step 5: Solve for x
    x = 163,040,044,052.50/538,768.62
  6. Step 6: Final answer
    x = 302,616.07

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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.