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Finding the Fourth Proportional to 702,668.50, 1,054,031.91 and 204,032.50

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Solution

The fourth proportional to 702,668.50, 1,054,031.91 and 204,032.50 is: 306,057.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,668.50 : 1,054,031.91 = 204,032.50 : x
  2. Step 2: Convert to fraction form
    702,668.50/1,054,031.91 = 204,032.50/x
  3. Step 3: Cross multiply
    702,668.50x = 1,054,031.91 × 204,032.50
  4. Step 4: Simplify right side
    702,668.50x = 215,056,765,677.08
  5. Step 5: Solve for x
    x = 215,056,765,677.08/702,668.50
  6. Step 6: Final answer
    x = 306,057.22

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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.