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Finding the Fourth Proportional to 544,591.96, 751,592.01 and 312,049.69

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Solution

The fourth proportional to 544,591.96, 751,592.01 and 312,049.69 is: 430,660.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,591.96 : 751,592.01 = 312,049.69 : x
  2. Step 2: Convert to fraction form
    544,591.96/751,592.01 = 312,049.69/x
  3. Step 3: Cross multiply
    544,591.96x = 751,592.01 × 312,049.69
  4. Step 4: Simplify right side
    544,591.96x = 234,534,055,132.04
  5. Step 5: Solve for x
    x = 234,534,055,132.04/544,591.96
  6. Step 6: Final answer
    x = 430,660.15

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.