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Finding the Fourth Proportional to 591,704.70, 887,557.05 and 170,994.30

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Solution

The fourth proportional to 591,704.70, 887,557.05 and 170,994.30 is: 256,491.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,704.70 : 887,557.05 = 170,994.30 : x
  2. Step 2: Convert to fraction form
    591,704.70/887,557.05 = 170,994.30/x
  3. Step 3: Cross multiply
    591,704.70x = 887,557.05 × 170,994.30
  4. Step 4: Simplify right side
    591,704.70x = 151,767,196,474.82
  5. Step 5: Solve for x
    x = 151,767,196,474.82/591,704.70
  6. Step 6: Final answer
    x = 256,491.45

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.