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Finding the Fourth Proportional to 335,090.80, 502,587.60 and 98,408.80

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Solution

The fourth proportional to 335,090.80, 502,587.60 and 98,408.80 is: 147,598.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,090.80 : 502,587.60 = 98,408.80 : x
  2. Step 2: Convert to fraction form
    335,090.80/502,587.60 = 98,408.80/x
  3. Step 3: Cross multiply
    335,090.80x = 502,587.60 × 98,408.80
  4. Step 4: Simplify right side
    335,090.80x = 49,459,042,610.88
  5. Step 5: Solve for x
    x = 49,459,042,610.88/335,090.80
  6. Step 6: Final answer
    x = 147,598.93

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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.