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Finding the Fourth Proportional to 504,680.10, 755,999.55 and 314,556.90

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Solution

The fourth proportional to 504,680.10, 755,999.55 and 314,556.90 is: 471,199.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,680.10 : 755,999.55 = 314,556.90 : x
  2. Step 2: Convert to fraction form
    504,680.10/755,999.55 = 314,556.90/x
  3. Step 3: Cross multiply
    504,680.10x = 755,999.55 × 314,556.90
  4. Step 4: Simplify right side
    504,680.10x = 237,804,874,849.40
  5. Step 5: Solve for x
    x = 237,804,874,849.40/504,680.10
  6. Step 6: Final answer
    x = 471,199.23

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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.