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Finding the Fourth Proportional to 608,141.82, 912,071.26 and 229,100.55

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Solution

The fourth proportional to 608,141.82, 912,071.26 and 229,100.55 is: 343,597.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,141.82 : 912,071.26 = 229,100.55 : x
  2. Step 2: Convert to fraction form
    608,141.82/912,071.26 = 229,100.55/x
  3. Step 3: Cross multiply
    608,141.82x = 912,071.26 × 229,100.55
  4. Step 4: Simplify right side
    608,141.82x = 208,956,029,946.05
  5. Step 5: Solve for x
    x = 208,956,029,946.05/608,141.82
  6. Step 6: Final answer
    x = 343,597.53

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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.