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Finding the Fourth Proportional to 446,086.07, 669,130.05 and 313,559.34

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Solution

The fourth proportional to 446,086.07, 669,130.05 and 313,559.34 is: 470,339.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,086.07 : 669,130.05 = 313,559.34 : x
  2. Step 2: Convert to fraction form
    446,086.07/669,130.05 = 313,559.34/x
  3. Step 3: Cross multiply
    446,086.07x = 669,130.05 × 313,559.34
  4. Step 4: Simplify right side
    446,086.07x = 209,811,976,852.17
  5. Step 5: Solve for x
    x = 209,811,976,852.17/446,086.07
  6. Step 6: Final answer
    x = 470,339.68

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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.