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Finding the Fourth Proportional to 296,543.40, 444,815.10 and 178,153.80

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Solution

The fourth proportional to 296,543.40, 444,815.10 and 178,153.80 is: 267,230.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,543.40 : 444,815.10 = 178,153.80 : x
  2. Step 2: Convert to fraction form
    296,543.40/444,815.10 = 178,153.80/x
  3. Step 3: Cross multiply
    296,543.40x = 444,815.10 × 178,153.80
  4. Step 4: Simplify right side
    296,543.40x = 79,245,500,362.38
  5. Step 5: Solve for x
    x = 79,245,500,362.38/296,543.40
  6. Step 6: Final answer
    x = 267,230.70

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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.