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Finding the Fourth Proportional to 636,145.88, 954,196.95 and 162,835.34

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Solution

The fourth proportional to 636,145.88, 954,196.95 and 162,835.34 is: 244,247.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,145.88 : 954,196.95 = 162,835.34 : x
  2. Step 2: Convert to fraction form
    636,145.88/954,196.95 = 162,835.34/x
  3. Step 3: Cross multiply
    636,145.88x = 954,196.95 × 162,835.34
  4. Step 4: Simplify right side
    636,145.88x = 155,376,984,780.21
  5. Step 5: Solve for x
    x = 155,376,984,780.21/636,145.88
  6. Step 6: Final answer
    x = 244,247.41

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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.