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Finding the Fourth Proportional to 602,326.80, 903,611.70 and 175,861.80

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Solution

The fourth proportional to 602,326.80, 903,611.70 and 175,861.80 is: 263,828.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,326.80 : 903,611.70 = 175,861.80 : x
  2. Step 2: Convert to fraction form
    602,326.80/903,611.70 = 175,861.80/x
  3. Step 3: Cross multiply
    602,326.80x = 903,611.70 × 175,861.80
  4. Step 4: Simplify right side
    602,326.80x = 158,910,780,063.06
  5. Step 5: Solve for x
    x = 158,910,780,063.06/602,326.80
  6. Step 6: Final answer
    x = 263,828.17

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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.