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Finding the Fourth Proportional to 636,236.33, 954,103.40 and 257,085.59

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Solution

The fourth proportional to 636,236.33, 954,103.40 and 257,085.59 is: 385,526.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,236.33 : 954,103.40 = 257,085.59 : x
  2. Step 2: Convert to fraction form
    636,236.33/954,103.40 = 257,085.59/x
  3. Step 3: Cross multiply
    636,236.33x = 954,103.40 × 257,085.59
  4. Step 4: Simplify right side
    636,236.33x = 245,286,234,224.58
  5. Step 5: Solve for x
    x = 245,286,234,224.58/636,236.33
  6. Step 6: Final answer
    x = 385,526.92

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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.