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Finding the Fourth Proportional to 335,809.60, 503,422.80 and 202,548.40

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Solution

The fourth proportional to 335,809.60, 503,422.80 and 202,548.40 is: 303,646.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,809.60 : 503,422.80 = 202,548.40 : x
  2. Step 2: Convert to fraction form
    335,809.60/503,422.80 = 202,548.40/x
  3. Step 3: Cross multiply
    335,809.60x = 503,422.80 × 202,548.40
  4. Step 4: Simplify right side
    335,809.60x = 101,967,482,663.52
  5. Step 5: Solve for x
    x = 101,967,482,663.52/335,809.60
  6. Step 6: Final answer
    x = 303,646.72

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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.