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Finding the Fourth Proportional to 353,244.60, 529,866.90 and 153,660.60

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Solution

The fourth proportional to 353,244.60, 529,866.90 and 153,660.60 is: 230,490.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,244.60 : 529,866.90 = 153,660.60 : x
  2. Step 2: Convert to fraction form
    353,244.60/529,866.90 = 153,660.60/x
  3. Step 3: Cross multiply
    353,244.60x = 529,866.90 × 153,660.60
  4. Step 4: Simplify right side
    353,244.60x = 81,419,665,774.14
  5. Step 5: Solve for x
    x = 81,419,665,774.14/353,244.60
  6. Step 6: Final answer
    x = 230,490.90

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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.