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Finding the Fourth Proportional to 382,342.77, 573,178.82 and 145,527.93

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Solution

The fourth proportional to 382,342.77, 573,178.82 and 145,527.93 is: 218,164.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,342.77 : 573,178.82 = 145,527.93 : x
  2. Step 2: Convert to fraction form
    382,342.77/573,178.82 = 145,527.93/x
  3. Step 3: Cross multiply
    382,342.77x = 573,178.82 × 145,527.93
  4. Step 4: Simplify right side
    382,342.77x = 83,413,526,466.80
  5. Step 5: Solve for x
    x = 83,413,526,466.80/382,342.77
  6. Step 6: Final answer
    x = 218,164.26

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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.