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Finding the Fourth Proportional to 368,477.10, 552,653.82 and 102,264.66

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Solution

The fourth proportional to 368,477.10, 552,653.82 and 102,264.66 is: 153,379.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,477.10 : 552,653.82 = 102,264.66 : x
  2. Step 2: Convert to fraction form
    368,477.10/552,653.82 = 102,264.66/x
  3. Step 3: Cross multiply
    368,477.10x = 552,653.82 × 102,264.66
  4. Step 4: Simplify right side
    368,477.10x = 56,516,955,000.00
  5. Step 5: Solve for x
    x = 56,516,955,000.00/368,477.10
  6. Step 6: Final answer
    x = 153,379.83

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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.