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Finding the Fourth Proportional to 654,881.51, 982,485.72 and 228,423.48

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Solution

The fourth proportional to 654,881.51, 982,485.72 and 228,423.48 is: 342,692.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,881.51 : 982,485.72 = 228,423.48 : x
  2. Step 2: Convert to fraction form
    654,881.51/982,485.72 = 228,423.48/x
  3. Step 3: Cross multiply
    654,881.51x = 982,485.72 × 228,423.48
  4. Step 4: Simplify right side
    654,881.51x = 224,422,803,528.38
  5. Step 5: Solve for x
    x = 224,422,803,528.38/654,881.51
  6. Step 6: Final answer
    x = 342,692.23

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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.