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Finding the Fourth Proportional to 403,775.03, 605,767.69 and 151,075.28

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Solution

The fourth proportional to 403,775.03, 605,767.69 and 151,075.28 is: 226,652.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,775.03 : 605,767.69 = 151,075.28 : x
  2. Step 2: Convert to fraction form
    403,775.03/605,767.69 = 151,075.28/x
  3. Step 3: Cross multiply
    403,775.03x = 605,767.69 × 151,075.28
  4. Step 4: Simplify right side
    403,775.03x = 91,516,524,518.43
  5. Step 5: Solve for x
    x = 91,516,524,518.43/403,775.03
  6. Step 6: Final answer
    x = 226,652.26

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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.