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Finding the Fourth Proportional to 627,000.10, 940,111.35 and 360,628.90

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Solution

The fourth proportional to 627,000.10, 940,111.35 and 360,628.90 is: 540,719.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,000.10 : 940,111.35 = 360,628.90 : x
  2. Step 2: Convert to fraction form
    627,000.10/940,111.35 = 360,628.90/x
  3. Step 3: Cross multiply
    627,000.10x = 940,111.35 × 360,628.90
  4. Step 4: Simplify right side
    627,000.10x = 339,031,322,028.02
  5. Step 5: Solve for x
    x = 339,031,322,028.02/627,000.10
  6. Step 6: Final answer
    x = 540,719.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.