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Finding the Fourth Proportional to 308,285.61, 461,265.64 and 181,994.55

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Solution

The fourth proportional to 308,285.61, 461,265.64 and 181,994.55 is: 272,305.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,285.61 : 461,265.64 = 181,994.55 : x
  2. Step 2: Convert to fraction form
    308,285.61/461,265.64 = 181,994.55/x
  3. Step 3: Cross multiply
    308,285.61x = 461,265.64 × 181,994.55
  4. Step 4: Simplify right side
    308,285.61x = 83,947,832,127.28
  5. Step 5: Solve for x
    x = 83,947,832,127.28/308,285.61
  6. Step 6: Final answer
    x = 272,305.39

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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.