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Finding the Fourth Proportional to 893,767.95, 1,340,728.47 and 254,074.10

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Solution

The fourth proportional to 893,767.95, 1,340,728.47 and 254,074.10 is: 381,132.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,767.95 : 1,340,728.47 = 254,074.10 : x
  2. Step 2: Convert to fraction form
    893,767.95/1,340,728.47 = 254,074.10/x
  3. Step 3: Cross multiply
    893,767.95x = 1,340,728.47 × 254,074.10
  4. Step 4: Simplify right side
    893,767.95x = 340,644,372,655.99
  5. Step 5: Solve for x
    x = 340,644,372,655.99/893,767.95
  6. Step 6: Final answer
    x = 381,132.90

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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.