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Finding the Fourth Proportional to 335,389.35, 502,910.91 and 98,701.32

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Solution

The fourth proportional to 335,389.35, 502,910.91 and 98,701.32 is: 148,001.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,389.35 : 502,910.91 = 98,701.32 : x
  2. Step 2: Convert to fraction form
    335,389.35/502,910.91 = 98,701.32/x
  3. Step 3: Cross multiply
    335,389.35x = 502,910.91 × 98,701.32
  4. Step 4: Simplify right side
    335,389.35x = 49,637,970,659.40
  5. Step 5: Solve for x
    x = 49,637,970,659.40/335,389.35
  6. Step 6: Final answer
    x = 148,001.03

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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.