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Finding the Fourth Proportional to 308,851.80, 463,277.70 and 109,178.70

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Solution

The fourth proportional to 308,851.80, 463,277.70 and 109,178.70 is: 163,768.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,851.80 : 463,277.70 = 109,178.70 : x
  2. Step 2: Convert to fraction form
    308,851.80/463,277.70 = 109,178.70/x
  3. Step 3: Cross multiply
    308,851.80x = 463,277.70 × 109,178.70
  4. Step 4: Simplify right side
    308,851.80x = 50,580,057,024.99
  5. Step 5: Solve for x
    x = 50,580,057,024.99/308,851.80
  6. Step 6: Final answer
    x = 163,768.05

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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.