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Finding the Fourth Proportional to 335,804.40, 503,798.58 and 99,146.88

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Solution

The fourth proportional to 335,804.40, 503,798.58 and 99,146.88 is: 148,747.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,804.40 : 503,798.58 = 99,146.88 : x
  2. Step 2: Convert to fraction form
    335,804.40/503,798.58 = 99,146.88/x
  3. Step 3: Cross multiply
    335,804.40x = 503,798.58 × 99,146.88
  4. Step 4: Simplify right side
    335,804.40x = 49,950,057,355.43
  5. Step 5: Solve for x
    x = 49,950,057,355.43/335,804.40
  6. Step 6: Final answer
    x = 148,747.48

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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.