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Finding the Fourth Proportional to 335,008.80, 502,464.60 and 98,326.80

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Solution

The fourth proportional to 335,008.80, 502,464.60 and 98,326.80 is: 147,475.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,008.80 : 502,464.60 = 98,326.80 : x
  2. Step 2: Convert to fraction form
    335,008.80/502,464.60 = 98,326.80/x
  3. Step 3: Cross multiply
    335,008.80x = 502,464.60 × 98,326.80
  4. Step 4: Simplify right side
    335,008.80x = 49,405,736,231.28
  5. Step 5: Solve for x
    x = 49,405,736,231.28/335,008.80
  6. Step 6: Final answer
    x = 147,475.94

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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.