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Finding the Fourth Proportional to 347,706.61, 521,559.91 and 189,848.95

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Solution

The fourth proportional to 347,706.61, 521,559.91 and 189,848.95 is: 284,773.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,706.61 : 521,559.91 = 189,848.95 : x
  2. Step 2: Convert to fraction form
    347,706.61/521,559.91 = 189,848.95/x
  3. Step 3: Cross multiply
    347,706.61x = 521,559.91 × 189,848.95
  4. Step 4: Simplify right side
    347,706.61x = 99,017,600,209.01
  5. Step 5: Solve for x
    x = 99,017,600,209.01/347,706.61
  6. Step 6: Final answer
    x = 284,773.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.