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Finding the Fourth Proportional to 446,084.57, 669,127.80 and 313,557.84

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Solution

The fourth proportional to 446,084.57, 669,127.80 and 313,557.84 is: 470,337.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,084.57 : 669,127.80 = 313,557.84 : x
  2. Step 2: Convert to fraction form
    446,084.57/669,127.80 = 313,557.84/x
  3. Step 3: Cross multiply
    446,084.57x = 669,127.80 × 313,557.84
  4. Step 4: Simplify right side
    446,084.57x = 209,810,267,651.95
  5. Step 5: Solve for x
    x = 209,810,267,651.95/446,084.57
  6. Step 6: Final answer
    x = 470,337.43

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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.