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Finding the Fourth Proportional to 504,010.55, 756,015.83 and 378,039.35

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Solution

The fourth proportional to 504,010.55, 756,015.83 and 378,039.35 is: 567,059.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,010.55 : 756,015.83 = 378,039.35 : x
  2. Step 2: Convert to fraction form
    504,010.55/756,015.83 = 378,039.35/x
  3. Step 3: Cross multiply
    504,010.55x = 756,015.83 × 378,039.35
  4. Step 4: Simplify right side
    504,010.55x = 285,803,731,072.71
  5. Step 5: Solve for x
    x = 285,803,731,072.71/504,010.55
  6. Step 6: Final answer
    x = 567,059.03

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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.