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Finding the Fourth Proportional to 335,045.40, 502,956.90 and 202,075.80

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Solution

The fourth proportional to 335,045.40, 502,956.90 and 202,075.80 is: 303,348.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,045.40 : 502,956.90 = 202,075.80 : x
  2. Step 2: Convert to fraction form
    335,045.40/502,956.90 = 202,075.80/x
  3. Step 3: Cross multiply
    335,045.40x = 502,956.90 × 202,075.80
  4. Step 4: Simplify right side
    335,045.40x = 101,635,417,933.02
  5. Step 5: Solve for x
    x = 101,635,417,933.02/335,045.40
  6. Step 6: Final answer
    x = 303,348.20

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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.