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Finding the Fourth Proportional to 308,046.80, 462,070.20 and 175,336.40

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Solution

The fourth proportional to 308,046.80, 462,070.20 and 175,336.40 is: 263,004.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,046.80 : 462,070.20 = 175,336.40 : x
  2. Step 2: Convert to fraction form
    308,046.80/462,070.20 = 175,336.40/x
  3. Step 3: Cross multiply
    308,046.80x = 462,070.20 × 175,336.40
  4. Step 4: Simplify right side
    308,046.80x = 81,017,725,415.28
  5. Step 5: Solve for x
    x = 81,017,725,415.28/308,046.80
  6. Step 6: Final answer
    x = 263,004.60

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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.