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Finding the Fourth Proportional to 296,884.80, 445,672.80 and 178,689.60

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Solution

The fourth proportional to 296,884.80, 445,672.80 and 178,689.60 is: 268,242.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,884.80 : 445,672.80 = 178,689.60 : x
  2. Step 2: Convert to fraction form
    296,884.80/445,672.80 = 178,689.60/x
  3. Step 3: Cross multiply
    296,884.80x = 445,672.80 × 178,689.60
  4. Step 4: Simplify right side
    296,884.80x = 79,637,094,362.88
  5. Step 5: Solve for x
    x = 79,637,094,362.88/296,884.80
  6. Step 6: Final answer
    x = 268,242.41

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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.