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Finding the Fourth Proportional to 308,116.70, 462,175.05 and 308,116.70

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Solution

The fourth proportional to 308,116.70, 462,175.05 and 308,116.70 is: 462,175.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,116.70 : 462,175.05 = 308,116.70 : x
  2. Step 2: Convert to fraction form
    308,116.70/462,175.05 = 308,116.70/x
  3. Step 3: Cross multiply
    308,116.70x = 462,175.05 × 308,116.70
  4. Step 4: Simplify right side
    308,116.70x = 142,403,851,228.34
  5. Step 5: Solve for x
    x = 142,403,851,228.34/308,116.70
  6. Step 6: Final answer
    x = 462,175.05

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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.