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Finding the Fourth Proportional to 368,536.91, 552,808.46 and 102,318.18

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Solution

The fourth proportional to 368,536.91, 552,808.46 and 102,318.18 is: 153,478.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,536.91 : 552,808.46 = 102,318.18 : x
  2. Step 2: Convert to fraction form
    368,536.91/552,808.46 = 102,318.18/x
  3. Step 3: Cross multiply
    368,536.91x = 552,808.46 × 102,318.18
  4. Step 4: Simplify right side
    368,536.91x = 56,562,355,004.21
  5. Step 5: Solve for x
    x = 56,562,355,004.21/368,536.91
  6. Step 6: Final answer
    x = 153,478.13

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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.