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Finding the Fourth Proportional to 353,175.50, 529,751.40 and 153,495.87

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Solution

The fourth proportional to 353,175.50, 529,751.40 and 153,495.87 is: 230,238.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,175.50 : 529,751.40 = 153,495.87 : x
  2. Step 2: Convert to fraction form
    353,175.50/529,751.40 = 153,495.87/x
  3. Step 3: Cross multiply
    353,175.50x = 529,751.40 × 153,495.87
  4. Step 4: Simplify right side
    353,175.50x = 81,314,652,026.72
  5. Step 5: Solve for x
    x = 81,314,652,026.72/353,175.50
  6. Step 6: Final answer
    x = 230,238.65

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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.