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Finding the Fourth Proportional to 436,290.83, 601,879.26 and 255,010.40

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Solution

The fourth proportional to 436,290.83, 601,879.26 and 255,010.40 is: 351,796.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,290.83 : 601,879.26 = 255,010.40 : x
  2. Step 2: Convert to fraction form
    436,290.83/601,879.26 = 255,010.40/x
  3. Step 3: Cross multiply
    436,290.83x = 601,879.26 × 255,010.40
  4. Step 4: Simplify right side
    436,290.83x = 153,485,466,559.86
  5. Step 5: Solve for x
    x = 153,485,466,559.86/436,290.83
  6. Step 6: Final answer
    x = 351,796.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.