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Finding the Fourth Proportional to 347,572.84, 479,637.23 and 194,596.72

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Solution

The fourth proportional to 347,572.84, 479,637.23 and 194,596.72 is: 268,536.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,572.84 : 479,637.23 = 194,596.72 : x
  2. Step 2: Convert to fraction form
    347,572.84/479,637.23 = 194,596.72/x
  3. Step 3: Cross multiply
    347,572.84x = 479,637.23 × 194,596.72
  4. Step 4: Simplify right side
    347,572.84x = 93,335,828,863.21
  5. Step 5: Solve for x
    x = 93,335,828,863.21/347,572.84
  6. Step 6: Final answer
    x = 268,536.03

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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.