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Finding the Fourth Proportional to 347,442.40, 479,482.24 and 204,200.40

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Solution

The fourth proportional to 347,442.40, 479,482.24 and 204,200.40 is: 281,803.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,442.40 : 479,482.24 = 204,200.40 : x
  2. Step 2: Convert to fraction form
    347,442.40/479,482.24 = 204,200.40/x
  3. Step 3: Cross multiply
    347,442.40x = 479,482.24 × 204,200.40
  4. Step 4: Simplify right side
    347,442.40x = 97,910,465,200.90
  5. Step 5: Solve for x
    x = 97,910,465,200.90/347,442.40
  6. Step 6: Final answer
    x = 281,803.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.