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Finding the Fourth Proportional to 347,572.15, 479,636.28 and 194,596.03

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Solution

The fourth proportional to 347,572.15, 479,636.28 and 194,596.03 is: 268,535.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,572.15 : 479,636.28 = 194,596.03 : x
  2. Step 2: Convert to fraction form
    347,572.15/479,636.28 = 194,596.03/x
  3. Step 3: Cross multiply
    347,572.15x = 479,636.28 × 194,596.03
  4. Step 4: Simplify right side
    347,572.15x = 93,335,316,531.51
  5. Step 5: Solve for x
    x = 93,335,316,531.51/347,572.15
  6. Step 6: Final answer
    x = 268,535.09

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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.