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Finding the Fourth Proportional to 454,540.76, 627,261.14 and 260,953.07

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Solution

The fourth proportional to 454,540.76, 627,261.14 and 260,953.07 is: 360,112.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,540.76 : 627,261.14 = 260,953.07 : x
  2. Step 2: Convert to fraction form
    454,540.76/627,261.14 = 260,953.07/x
  3. Step 3: Cross multiply
    454,540.76x = 627,261.14 × 260,953.07
  4. Step 4: Simplify right side
    454,540.76x = 163,685,718,721.02
  5. Step 5: Solve for x
    x = 163,685,718,721.02/454,540.76
  6. Step 6: Final answer
    x = 360,112.30

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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.