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Finding the Fourth Proportional to 347,690.59, 479,773.33 and 194,707.51

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Solution

The fourth proportional to 347,690.59, 479,773.33 and 194,707.51 is: 268,674.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,690.59 : 479,773.33 = 194,707.51 : x
  2. Step 2: Convert to fraction form
    347,690.59/479,773.33 = 194,707.51/x
  3. Step 3: Cross multiply
    347,690.59x = 479,773.33 × 194,707.51
  4. Step 4: Simplify right side
    347,690.59x = 93,415,470,448.71
  5. Step 5: Solve for x
    x = 93,415,470,448.71/347,690.59
  6. Step 6: Final answer
    x = 268,674.14

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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.