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Finding the Fourth Proportional to 353,175.81, 529,751.87 and 153,496.19

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Solution

The fourth proportional to 353,175.81, 529,751.87 and 153,496.19 is: 230,239.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,175.81 : 529,751.87 = 153,496.19 : x
  2. Step 2: Convert to fraction form
    353,175.81/529,751.87 = 153,496.19/x
  3. Step 3: Cross multiply
    353,175.81x = 529,751.87 × 153,496.19
  4. Step 4: Simplify right side
    353,175.81x = 81,314,890,274.14
  5. Step 5: Solve for x
    x = 81,314,890,274.14/353,175.81
  6. Step 6: Final answer
    x = 230,239.13

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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.