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Finding the Fourth Proportional to 308,140.40, 462,210.60 and 183,724.40

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Solution

The fourth proportional to 308,140.40, 462,210.60 and 183,724.40 is: 275,586.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,140.40 : 462,210.60 = 183,724.40 : x
  2. Step 2: Convert to fraction form
    308,140.40/462,210.60 = 183,724.40/x
  3. Step 3: Cross multiply
    308,140.40x = 462,210.60 × 183,724.40
  4. Step 4: Simplify right side
    308,140.40x = 84,919,365,158.64
  5. Step 5: Solve for x
    x = 84,919,365,158.64/308,140.40
  6. Step 6: Final answer
    x = 275,586.60

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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.