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Finding the Fourth Proportional to 308,703.21, 463,054.81 and 203,497.57

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Solution

The fourth proportional to 308,703.21, 463,054.81 and 203,497.57 is: 305,246.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,703.21 : 463,054.81 = 203,497.57 : x
  2. Step 2: Convert to fraction form
    308,703.21/463,054.81 = 203,497.57/x
  3. Step 3: Cross multiply
    308,703.21x = 463,054.81 × 203,497.57
  4. Step 4: Simplify right side
    308,703.21x = 94,230,528,611.81
  5. Step 5: Solve for x
    x = 94,230,528,611.81/308,703.21
  6. Step 6: Final answer
    x = 305,246.35

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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.