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Finding the Fourth Proportional to 317,861.59, 439,037.54 and 237,645.67

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Solution

The fourth proportional to 317,861.59, 439,037.54 and 237,645.67 is: 328,241.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,861.59 : 439,037.54 = 237,645.67 : x
  2. Step 2: Convert to fraction form
    317,861.59/439,037.54 = 237,645.67/x
  3. Step 3: Cross multiply
    317,861.59x = 439,037.54 × 237,645.67
  4. Step 4: Simplify right side
    317,861.59x = 104,335,370,348.45
  5. Step 5: Solve for x
    x = 104,335,370,348.45/317,861.59
  6. Step 6: Final answer
    x = 328,241.52

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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.