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Finding the Fourth Proportional to 347,683.59, 479,763.68 and 194,700.51

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Solution

The fourth proportional to 347,683.59, 479,763.68 and 194,700.51 is: 268,664.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,683.59 : 479,763.68 = 194,700.51 : x
  2. Step 2: Convert to fraction form
    347,683.59/479,763.68 = 194,700.51/x
  3. Step 3: Cross multiply
    347,683.59x = 479,763.68 × 194,700.51
  4. Step 4: Simplify right side
    347,683.59x = 93,410,232,201.97
  5. Step 5: Solve for x
    x = 93,410,232,201.97/347,683.59
  6. Step 6: Final answer
    x = 268,664.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.