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Finding the Fourth Proportional to 351,534.53, 527,302.51 and 127,053.50

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Solution

The fourth proportional to 351,534.53, 527,302.51 and 127,053.50 is: 190,580.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,534.53 : 527,302.51 = 127,053.50 : x
  2. Step 2: Convert to fraction form
    351,534.53/527,302.51 = 127,053.50/x
  3. Step 3: Cross multiply
    351,534.53x = 527,302.51 × 127,053.50
  4. Step 4: Simplify right side
    351,534.53x = 66,995,626,500.14
  5. Step 5: Solve for x
    x = 66,995,626,500.14/351,534.53
  6. Step 6: Final answer
    x = 190,580.50

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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.