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Finding the Fourth Proportional to 308,526.73, 462,760.93 and 98,127.61

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Solution

The fourth proportional to 308,526.73, 462,760.93 and 98,127.61 is: 147,182.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,526.73 : 462,760.93 = 98,127.61 : x
  2. Step 2: Convert to fraction form
    308,526.73/462,760.93 = 98,127.61/x
  3. Step 3: Cross multiply
    308,526.73x = 462,760.93 × 98,127.61
  4. Step 4: Simplify right side
    308,526.73x = 45,409,624,062.28
  5. Step 5: Solve for x
    x = 45,409,624,062.28/308,526.73
  6. Step 6: Final answer
    x = 147,182.14

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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.