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Finding the Fourth Proportional to 237,946.71, 356,218.86 and 208,422.21

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Solution

The fourth proportional to 237,946.71, 356,218.86 and 208,422.21 is: 312,019.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,946.71 : 356,218.86 = 208,422.21 : x
  2. Step 2: Convert to fraction form
    237,946.71/356,218.86 = 208,422.21/x
  3. Step 3: Cross multiply
    237,946.71x = 356,218.86 × 208,422.21
  4. Step 4: Simplify right side
    237,946.71x = 74,243,924,162.28
  5. Step 5: Solve for x
    x = 74,243,924,162.28/237,946.71
  6. Step 6: Final answer
    x = 312,019.12

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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.