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Finding the Fourth Proportional to 440,491.50, 607,826.70 and 259,163.55

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Solution

The fourth proportional to 440,491.50, 607,826.70 and 259,163.55 is: 357,615.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,491.50 : 607,826.70 = 259,163.55 : x
  2. Step 2: Convert to fraction form
    440,491.50/607,826.70 = 259,163.55/x
  3. Step 3: Cross multiply
    440,491.50x = 607,826.70 × 259,163.55
  4. Step 4: Simplify right side
    440,491.50x = 157,526,525,356.79
  5. Step 5: Solve for x
    x = 157,526,525,356.79/440,491.50
  6. Step 6: Final answer
    x = 357,615.36

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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.