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Finding the Fourth Proportional to 368,706.27, 508,852.76 and 225,561.45

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Solution

The fourth proportional to 368,706.27, 508,852.76 and 225,561.45 is: 311,298.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,706.27 : 508,852.76 = 225,561.45 : x
  2. Step 2: Convert to fraction form
    368,706.27/508,852.76 = 225,561.45/x
  3. Step 3: Cross multiply
    368,706.27x = 508,852.76 × 225,561.45
  4. Step 4: Simplify right side
    368,706.27x = 114,777,565,254.30
  5. Step 5: Solve for x
    x = 114,777,565,254.30/368,706.27
  6. Step 6: Final answer
    x = 311,298.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.