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Finding the Fourth Proportional to 308,132.70, 462,199.05 and 175,272.45

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Solution

The fourth proportional to 308,132.70, 462,199.05 and 175,272.45 is: 262,908.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,132.70 : 462,199.05 = 175,272.45 : x
  2. Step 2: Convert to fraction form
    308,132.70/462,199.05 = 175,272.45/x
  3. Step 3: Cross multiply
    308,132.70x = 462,199.05 × 175,272.45
  4. Step 4: Simplify right side
    308,132.70x = 81,010,759,881.17
  5. Step 5: Solve for x
    x = 81,010,759,881.17/308,132.70
  6. Step 6: Final answer
    x = 262,908.68

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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.