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Finding the Fourth Proportional to 347,555.61, 479,603.53 and 194,567.97

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Solution

The fourth proportional to 347,555.61, 479,603.53 and 194,567.97 is: 268,490.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,555.61 : 479,603.53 = 194,567.97 : x
  2. Step 2: Convert to fraction form
    347,555.61/479,603.53 = 194,567.97/x
  3. Step 3: Cross multiply
    347,555.61x = 479,603.53 × 194,567.97
  4. Step 4: Simplify right side
    347,555.61x = 93,315,487,278.66
  5. Step 5: Solve for x
    x = 93,315,487,278.66/347,555.61
  6. Step 6: Final answer
    x = 268,490.81

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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.