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Finding the Fourth Proportional to 446,882.40, 670,323.60 and 410,140.80

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Solution

The fourth proportional to 446,882.40, 670,323.60 and 410,140.80 is: 615,211.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,882.40 : 670,323.60 = 410,140.80 : x
  2. Step 2: Convert to fraction form
    446,882.40/670,323.60 = 410,140.80/x
  3. Step 3: Cross multiply
    446,882.40x = 670,323.60 × 410,140.80
  4. Step 4: Simplify right side
    446,882.40x = 274,927,057,562.88
  5. Step 5: Solve for x
    x = 274,927,057,562.88/446,882.40
  6. Step 6: Final answer
    x = 615,211.20

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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.