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Finding the Fourth Proportional to 613,339.72, 844,588.86 and 440,954.30

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Solution

The fourth proportional to 613,339.72, 844,588.86 and 440,954.30 is: 607,208.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,339.72 : 844,588.86 = 440,954.30 : x
  2. Step 2: Convert to fraction form
    613,339.72/844,588.86 = 440,954.30/x
  3. Step 3: Cross multiply
    613,339.72x = 844,588.86 × 440,954.30
  4. Step 4: Simplify right side
    613,339.72x = 372,425,089,549.10
  5. Step 5: Solve for x
    x = 372,425,089,549.10/613,339.72
  6. Step 6: Final answer
    x = 607,208.50

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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.