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Finding the Fourth Proportional to 397,148.40, 596,183.40 and 239,554.80

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Solution

The fourth proportional to 397,148.40, 596,183.40 and 239,554.80 is: 359,610.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,148.40 : 596,183.40 = 239,554.80 : x
  2. Step 2: Convert to fraction form
    397,148.40/596,183.40 = 239,554.80/x
  3. Step 3: Cross multiply
    397,148.40x = 596,183.40 × 239,554.80
  4. Step 4: Simplify right side
    397,148.40x = 142,818,595,150.32
  5. Step 5: Solve for x
    x = 142,818,595,150.32/397,148.40
  6. Step 6: Final answer
    x = 359,610.15

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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.