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Finding the Fourth Proportional to 401,038.55, 601,558.27 and 101,519.11

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Solution

The fourth proportional to 401,038.55, 601,558.27 and 101,519.11 is: 152,278.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,038.55 : 601,558.27 = 101,519.11 : x
  2. Step 2: Convert to fraction form
    401,038.55/601,558.27 = 101,519.11/x
  3. Step 3: Cross multiply
    401,038.55x = 601,558.27 × 101,519.11
  4. Step 4: Simplify right side
    401,038.55x = 61,069,660,183.54
  5. Step 5: Solve for x
    x = 61,069,660,183.54/401,038.55
  6. Step 6: Final answer
    x = 152,278.78

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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.