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Finding the Fourth Proportional to 450,626.56, 621,517.44 and 314,615.68

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Solution

The fourth proportional to 450,626.56, 621,517.44 and 314,615.68 is: 433,927.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,626.56 : 621,517.44 = 314,615.68 : x
  2. Step 2: Convert to fraction form
    450,626.56/621,517.44 = 314,615.68/x
  3. Step 3: Cross multiply
    450,626.56x = 621,517.44 × 314,615.68
  4. Step 4: Simplify right side
    450,626.56x = 195,539,132,017.46
  5. Step 5: Solve for x
    x = 195,539,132,017.46/450,626.56
  6. Step 6: Final answer
    x = 433,927.22

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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.