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Finding the Fourth Proportional to 648,166.70, 972,250.05 and 448,712.30

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Solution

The fourth proportional to 648,166.70, 972,250.05 and 448,712.30 is: 673,068.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,166.70 : 972,250.05 = 448,712.30 : x
  2. Step 2: Convert to fraction form
    648,166.70/972,250.05 = 448,712.30/x
  3. Step 3: Cross multiply
    648,166.70x = 972,250.05 × 448,712.30
  4. Step 4: Simplify right side
    648,166.70x = 436,260,556,110.62
  5. Step 5: Solve for x
    x = 436,260,556,110.62/648,166.70
  6. Step 6: Final answer
    x = 673,068.45

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Similar ratio
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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.