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Finding the Fourth Proportional to 450,440.56, 621,608.03 and 246,491.53

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Solution

The fourth proportional to 450,440.56, 621,608.03 and 246,491.53 is: 340,158.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,440.56 : 621,608.03 = 246,491.53 : x
  2. Step 2: Convert to fraction form
    450,440.56/621,608.03 = 246,491.53/x
  3. Step 3: Cross multiply
    450,440.56x = 621,608.03 × 246,491.53
  4. Step 4: Simplify right side
    450,440.56x = 153,221,111,266.95
  5. Step 5: Solve for x
    x = 153,221,111,266.95/450,440.56
  6. Step 6: Final answer
    x = 340,158.34

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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.