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Finding the Fourth Proportional to 403,551.51, 605,117.06 and 150,623.98

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Solution

The fourth proportional to 403,551.51, 605,117.06 and 150,623.98 is: 225,857.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,551.51 : 605,117.06 = 150,623.98 : x
  2. Step 2: Convert to fraction form
    403,551.51/605,117.06 = 150,623.98/x
  3. Step 3: Cross multiply
    403,551.51x = 605,117.06 × 150,623.98
  4. Step 4: Simplify right side
    403,551.51x = 91,145,139,943.10
  5. Step 5: Solve for x
    x = 91,145,139,943.10/403,551.51
  6. Step 6: Final answer
    x = 225,857.51

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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.