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Finding the Fourth Proportional to 454,554.94, 627,146.78 and 263,530.20

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Solution

The fourth proportional to 454,554.94, 627,146.78 and 263,530.20 is: 363,591.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,554.94 : 627,146.78 = 263,530.20 : x
  2. Step 2: Convert to fraction form
    454,554.94/627,146.78 = 263,530.20/x
  3. Step 3: Cross multiply
    454,554.94x = 627,146.78 × 263,530.20
  4. Step 4: Simplify right side
    454,554.94x = 165,272,116,362.76
  5. Step 5: Solve for x
    x = 165,272,116,362.76/454,554.94
  6. Step 6: Final answer
    x = 363,591.07

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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.