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Finding the Fourth Proportional to 283,611.40, 425,417.10 and 230,467.30

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Solution

The fourth proportional to 283,611.40, 425,417.10 and 230,467.30 is: 345,700.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,611.40 : 425,417.10 = 230,467.30 : x
  2. Step 2: Convert to fraction form
    283,611.40/425,417.10 = 230,467.30/x
  3. Step 3: Cross multiply
    283,611.40x = 425,417.10 × 230,467.30
  4. Step 4: Simplify right side
    283,611.40x = 98,044,730,410.83
  5. Step 5: Solve for x
    x = 98,044,730,410.83/283,611.40
  6. Step 6: Final answer
    x = 345,700.95

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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.