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Finding the Fourth Proportional to 308,322.71, 462,146.26 and 158,570.92

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Solution

The fourth proportional to 308,322.71, 462,146.26 and 158,570.92 is: 237,682.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,322.71 : 462,146.26 = 158,570.92 : x
  2. Step 2: Convert to fraction form
    308,322.71/462,146.26 = 158,570.92/x
  3. Step 3: Cross multiply
    308,322.71x = 462,146.26 × 158,570.92
  4. Step 4: Simplify right side
    308,322.71x = 73,282,957,622.76
  5. Step 5: Solve for x
    x = 73,282,957,622.76/308,322.71
  6. Step 6: Final answer
    x = 237,682.65

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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.