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Finding the Fourth Proportional to 440,445.96, 607,866.42 and 413,422.92

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Solution

The fourth proportional to 440,445.96, 607,866.42 and 413,422.92 is: 570,571.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,445.96 : 607,866.42 = 413,422.92 : x
  2. Step 2: Convert to fraction form
    440,445.96/607,866.42 = 413,422.92/x
  3. Step 3: Cross multiply
    440,445.96x = 607,866.42 × 413,422.92
  4. Step 4: Simplify right side
    440,445.96x = 251,305,910,326.35
  5. Step 5: Solve for x
    x = 251,305,910,326.35/440,445.96
  6. Step 6: Final answer
    x = 570,571.50

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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.