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Finding the Fourth Proportional to 368,066.64, 552,314.04 and 154,818.96

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Solution

The fourth proportional to 368,066.64, 552,314.04 and 154,818.96 is: 232,318.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,066.64 : 552,314.04 = 154,818.96 : x
  2. Step 2: Convert to fraction form
    368,066.64/552,314.04 = 154,818.96/x
  3. Step 3: Cross multiply
    368,066.64x = 552,314.04 × 154,818.96
  4. Step 4: Simplify right side
    368,066.64x = 85,508,685,266.20
  5. Step 5: Solve for x
    x = 85,508,685,266.20/368,066.64
  6. Step 6: Final answer
    x = 232,318.49

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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.