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Finding the Fourth Proportional to 368,502.67, 552,754.05 and 102,263.28

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Solution

The fourth proportional to 368,502.67, 552,754.05 and 102,263.28 is: 153,394.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,502.67 : 552,754.05 = 102,263.28 : x
  2. Step 2: Convert to fraction form
    368,502.67/552,754.05 = 102,263.28/x
  3. Step 3: Cross multiply
    368,502.67x = 552,754.05 × 102,263.28
  4. Step 4: Simplify right side
    368,502.67x = 56,526,442,186.28
  5. Step 5: Solve for x
    x = 56,526,442,186.28/368,502.67
  6. Step 6: Final answer
    x = 153,394.93

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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.