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Finding the Fourth Proportional to 544,681.80, 817,022.70 and 308,485.80

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Solution

The fourth proportional to 544,681.80, 817,022.70 and 308,485.80 is: 462,728.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,681.80 : 817,022.70 = 308,485.80 : x
  2. Step 2: Convert to fraction form
    544,681.80/817,022.70 = 308,485.80/x
  3. Step 3: Cross multiply
    544,681.80x = 817,022.70 × 308,485.80
  4. Step 4: Simplify right side
    544,681.80x = 252,039,901,227.66
  5. Step 5: Solve for x
    x = 252,039,901,227.66/544,681.80
  6. Step 6: Final answer
    x = 462,728.70

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Similar ratio
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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.