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Finding the Fourth Proportional to 237,153.40, 355,980.48 and 231,798.76

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Solution

The fourth proportional to 237,153.40, 355,980.48 and 231,798.76 is: 347,942.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,153.40 : 355,980.48 = 231,798.76 : x
  2. Step 2: Convert to fraction form
    237,153.40/355,980.48 = 231,798.76/x
  3. Step 3: Cross multiply
    237,153.40x = 355,980.48 × 231,798.76
  4. Step 4: Simplify right side
    237,153.40x = 82,515,833,848.20
  5. Step 5: Solve for x
    x = 82,515,833,848.20/237,153.40
  6. Step 6: Final answer
    x = 347,942.87

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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.