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Finding the Fourth Proportional to 308,197.98, 462,355.29 and 175,228.38

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Solution

The fourth proportional to 308,197.98, 462,355.29 and 175,228.38 is: 262,875.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,197.98 : 462,355.29 = 175,228.38 : x
  2. Step 2: Convert to fraction form
    308,197.98/462,355.29 = 175,228.38/x
  3. Step 3: Cross multiply
    308,197.98x = 462,355.29 × 175,228.38
  4. Step 4: Simplify right side
    308,197.98x = 81,017,768,451.13
  5. Step 5: Solve for x
    x = 81,017,768,451.13/308,197.98
  6. Step 6: Final answer
    x = 262,875.73

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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.