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Finding the Fourth Proportional to 308,703.96, 463,055.93 and 203,498.32

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Solution

The fourth proportional to 308,703.96, 463,055.93 and 203,498.32 is: 305,247.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,703.96 : 463,055.93 = 203,498.32 : x
  2. Step 2: Convert to fraction form
    308,703.96/463,055.93 = 203,498.32/x
  3. Step 3: Cross multiply
    308,703.96x = 463,055.93 × 203,498.32
  4. Step 4: Simplify right side
    308,703.96x = 94,231,103,821.04
  5. Step 5: Solve for x
    x = 94,231,103,821.04/308,703.96
  6. Step 6: Final answer
    x = 305,247.47

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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.