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Finding the Fourth Proportional to 653,592.80, 980,194.80 and 254,003.60

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Solution

The fourth proportional to 653,592.80, 980,194.80 and 254,003.60 is: 380,929.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,592.80 : 980,194.80 = 254,003.60 : x
  2. Step 2: Convert to fraction form
    653,592.80/980,194.80 = 254,003.60/x
  3. Step 3: Cross multiply
    653,592.80x = 980,194.80 × 254,003.60
  4. Step 4: Simplify right side
    653,592.80x = 248,973,007,901.28
  5. Step 5: Solve for x
    x = 248,973,007,901.28/653,592.80
  6. Step 6: Final answer
    x = 380,929.85

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1.5x scale

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.