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Finding the Fourth Proportional to 308,612.19, 462,497.97 and 173,740.59

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Solution

The fourth proportional to 308,612.19, 462,497.97 and 173,740.59 is: 260,374.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,612.19 : 462,497.97 = 173,740.59 : x
  2. Step 2: Convert to fraction form
    308,612.19/462,497.97 = 173,740.59/x
  3. Step 3: Cross multiply
    308,612.19x = 462,497.97 × 173,740.59
  4. Step 4: Simplify right side
    308,612.19x = 80,354,670,181.60
  5. Step 5: Solve for x
    x = 80,354,670,181.60/308,612.19
  6. Step 6: Final answer
    x = 260,374.26

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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.