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Finding the Fourth Proportional to 325,482, 488,223.09 and 156,970.95

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Solution

The fourth proportional to 325,482, 488,223.09 and 156,970.95 is: 235,456.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,482 : 488,223.09 = 156,970.95 : x
  2. Step 2: Convert to fraction form
    325,482/488,223.09 = 156,970.95/x
  3. Step 3: Cross multiply
    325,482x = 488,223.09 × 156,970.95
  4. Step 4: Simplify right side
    325,482x = 76,636,842,249.24
  5. Step 5: Solve for x
    x = 76,636,842,249.24/325,482
  6. Step 6: Final answer
    x = 235,456.47

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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.