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Finding the Fourth Proportional to 624,004.70, 936,007.05 and 203,323.10

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Solution

The fourth proportional to 624,004.70, 936,007.05 and 203,323.10 is: 304,984.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,004.70 : 936,007.05 = 203,323.10 : x
  2. Step 2: Convert to fraction form
    624,004.70/936,007.05 = 203,323.10/x
  3. Step 3: Cross multiply
    624,004.70x = 936,007.05 × 203,323.10
  4. Step 4: Simplify right side
    624,004.70x = 190,311,855,027.86
  5. Step 5: Solve for x
    x = 190,311,855,027.86/624,004.70
  6. Step 6: Final answer
    x = 304,984.65

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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.