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Finding the Fourth Proportional to 308,708.94, 463,063.42 and 203,503.30

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Solution

The fourth proportional to 308,708.94, 463,063.42 and 203,503.30 is: 305,254.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,708.94 : 463,063.42 = 203,503.30 : x
  2. Step 2: Convert to fraction form
    308,708.94/463,063.42 = 203,503.30/x
  3. Step 3: Cross multiply
    308,708.94x = 463,063.42 × 203,503.30
  4. Step 4: Simplify right side
    308,708.94x = 94,234,934,079.29
  5. Step 5: Solve for x
    x = 94,234,934,079.29/308,708.94
  6. Step 6: Final answer
    x = 305,254.96

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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.