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Finding the Fourth Proportional to 294,428.40, 441,642.60 and 169,666.80

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Solution

The fourth proportional to 294,428.40, 441,642.60 and 169,666.80 is: 254,500.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,428.40 : 441,642.60 = 169,666.80 : x
  2. Step 2: Convert to fraction form
    294,428.40/441,642.60 = 169,666.80/x
  3. Step 3: Cross multiply
    294,428.40x = 441,642.60 × 169,666.80
  4. Step 4: Simplify right side
    294,428.40x = 74,932,086,685.68
  5. Step 5: Solve for x
    x = 74,932,086,685.68/294,428.40
  6. Step 6: Final answer
    x = 254,500.20

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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.