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Finding the Fourth Proportional to 308,602.56, 462,483.45 and 188,701.50

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Solution

The fourth proportional to 308,602.56, 462,483.45 and 188,701.50 is: 282,795.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,602.56 : 462,483.45 = 188,701.50 : x
  2. Step 2: Convert to fraction form
    308,602.56/462,483.45 = 188,701.50/x
  3. Step 3: Cross multiply
    308,602.56x = 462,483.45 × 188,701.50
  4. Step 4: Simplify right side
    308,602.56x = 87,271,320,740.18
  5. Step 5: Solve for x
    x = 87,271,320,740.18/308,602.56
  6. Step 6: Final answer
    x = 282,795.19

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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.