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Finding the Fourth Proportional to 283,774.36, 425,649.23 and 70,537.76

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Solution

The fourth proportional to 283,774.36, 425,649.23 and 70,537.76 is: 105,803.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,774.36 : 425,649.23 = 70,537.76 : x
  2. Step 2: Convert to fraction form
    283,774.36/425,649.23 = 70,537.76/x
  3. Step 3: Cross multiply
    283,774.36x = 425,649.23 × 70,537.76
  4. Step 4: Simplify right side
    283,774.36x = 30,024,342,874.21
  5. Step 5: Solve for x
    x = 30,024,342,874.21/283,774.36
  6. Step 6: Final answer
    x = 105,803.58

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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.