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Finding the Fourth Proportional to 308,529.68, 462,794.64 and 98,167.76

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Solution

The fourth proportional to 308,529.68, 462,794.64 and 98,167.76 is: 147,251.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,529.68 : 462,794.64 = 98,167.76 : x
  2. Step 2: Convert to fraction form
    308,529.68/462,794.64 = 98,167.76/x
  3. Step 3: Cross multiply
    308,529.68x = 462,794.64 × 98,167.76
  4. Step 4: Simplify right side
    308,529.68x = 45,431,513,148.81
  5. Step 5: Solve for x
    x = 45,431,513,148.81/308,529.68
  6. Step 6: Final answer
    x = 147,251.68

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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.