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Finding the Fourth Proportional to 297,302.94, 446,022.48 and 128,851.56

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Solution

The fourth proportional to 297,302.94, 446,022.48 and 128,851.56 is: 193,306.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,302.94 : 446,022.48 = 128,851.56 : x
  2. Step 2: Convert to fraction form
    297,302.94/446,022.48 = 128,851.56/x
  3. Step 3: Cross multiply
    297,302.94x = 446,022.48 × 128,851.56
  4. Step 4: Simplify right side
    297,302.94x = 57,470,692,343.07
  5. Step 5: Solve for x
    x = 57,470,692,343.07/297,302.94
  6. Step 6: Final answer
    x = 193,306.84

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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.