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Finding the Fourth Proportional to 425,370.90, 587,037.99 and 234,384.24

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Solution

The fourth proportional to 425,370.90, 587,037.99 and 234,384.24 is: 323,464.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,370.90 : 587,037.99 = 234,384.24 : x
  2. Step 2: Convert to fraction form
    425,370.90/587,037.99 = 234,384.24/x
  3. Step 3: Cross multiply
    425,370.90x = 587,037.99 × 234,384.24
  4. Step 4: Simplify right side
    425,370.90x = 137,592,453,137.28
  5. Step 5: Solve for x
    x = 137,592,453,137.28/425,370.90
  6. Step 6: Final answer
    x = 323,464.66

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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.