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Finding the Fourth Proportional to 463,524.02, 639,672.21 and 302,482.10

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Solution

The fourth proportional to 463,524.02, 639,672.21 and 302,482.10 is: 417,431.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,524.02 : 639,672.21 = 302,482.10 : x
  2. Step 2: Convert to fraction form
    463,524.02/639,672.21 = 302,482.10/x
  3. Step 3: Cross multiply
    463,524.02x = 639,672.21 × 302,482.10
  4. Step 4: Simplify right side
    463,524.02x = 193,489,393,392.44
  5. Step 5: Solve for x
    x = 193,489,393,392.44/463,524.02
  6. Step 6: Final answer
    x = 417,431.21

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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.