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Finding the Fourth Proportional to 519,247.40, 778,871.10 and 341,954.60

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Solution

The fourth proportional to 519,247.40, 778,871.10 and 341,954.60 is: 512,931.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,247.40 : 778,871.10 = 341,954.60 : x
  2. Step 2: Convert to fraction form
    519,247.40/778,871.10 = 341,954.60/x
  3. Step 3: Cross multiply
    519,247.40x = 778,871.10 × 341,954.60
  4. Step 4: Simplify right side
    519,247.40x = 266,338,555,452.06
  5. Step 5: Solve for x
    x = 266,338,555,452.06/519,247.40
  6. Step 6: Final answer
    x = 512,931.90

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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.