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Finding the Fourth Proportional to 466,295.20, 699,442.80 and 415,556.80

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Solution

The fourth proportional to 466,295.20, 699,442.80 and 415,556.80 is: 623,335.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,295.20 : 699,442.80 = 415,556.80 : x
  2. Step 2: Convert to fraction form
    466,295.20/699,442.80 = 415,556.80/x
  3. Step 3: Cross multiply
    466,295.20x = 699,442.80 × 415,556.80
  4. Step 4: Simplify right side
    466,295.20x = 290,658,211,751.04
  5. Step 5: Solve for x
    x = 290,658,211,751.04/466,295.20
  6. Step 6: Final answer
    x = 623,335.20

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Similar ratio
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1.5x scale

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.