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Finding the Fourth Proportional to 368,054.39, 552,121.17 and 154,844.01

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Solution

The fourth proportional to 368,054.39, 552,121.17 and 154,844.01 is: 232,282.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,054.39 : 552,121.17 = 154,844.01 : x
  2. Step 2: Convert to fraction form
    368,054.39/552,121.17 = 154,844.01/x
  3. Step 3: Cross multiply
    368,054.39x = 552,121.17 × 154,844.01
  4. Step 4: Simplify right side
    368,054.39x = 85,492,655,968.69
  5. Step 5: Solve for x
    x = 85,492,655,968.69/368,054.39
  6. Step 6: Final answer
    x = 232,282.67

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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.