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Finding the Fourth Proportional to 893,556.40, 1,340,334.60 and 514,330.60

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Solution

The fourth proportional to 893,556.40, 1,340,334.60 and 514,330.60 is: 771,495.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,556.40 : 1,340,334.60 = 514,330.60 : x
  2. Step 2: Convert to fraction form
    893,556.40/1,340,334.60 = 514,330.60/x
  3. Step 3: Cross multiply
    893,556.40x = 1,340,334.60 × 514,330.60
  4. Step 4: Simplify right side
    893,556.40x = 689,375,099,018.76
  5. Step 5: Solve for x
    x = 689,375,099,018.76/893,556.40
  6. Step 6: Final answer
    x = 771,495.90

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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.