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Finding the Fourth Proportional to 654,877.50, 982,479.75 and 228,419.46

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Solution

The fourth proportional to 654,877.50, 982,479.75 and 228,419.46 is: 342,686.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,877.50 : 982,479.75 = 228,419.46 : x
  2. Step 2: Convert to fraction form
    654,877.50/982,479.75 = 228,419.46/x
  3. Step 3: Cross multiply
    654,877.50x = 982,479.75 × 228,419.46
  4. Step 4: Simplify right side
    654,877.50x = 224,417,493,955.94
  5. Step 5: Solve for x
    x = 224,417,493,955.94/654,877.50
  6. Step 6: Final answer
    x = 342,686.22

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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.