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Finding the Fourth Proportional to 446,851.80, 670,277.70 and 443,741.40

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Solution

The fourth proportional to 446,851.80, 670,277.70 and 443,741.40 is: 665,612.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,851.80 : 670,277.70 = 443,741.40 : x
  2. Step 2: Convert to fraction form
    446,851.80/670,277.70 = 443,741.40/x
  3. Step 3: Cross multiply
    446,851.80x = 670,277.70 × 443,741.40
  4. Step 4: Simplify right side
    446,851.80x = 297,429,964,986.78
  5. Step 5: Solve for x
    x = 297,429,964,986.78/446,851.80
  6. Step 6: Final answer
    x = 665,612.10

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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.