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Finding the Fourth Proportional to 446,687.40, 626,191.80 and 446,687.40

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Solution

The fourth proportional to 446,687.40, 626,191.80 and 446,687.40 is: 626,191.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,687.40 : 626,191.80 = 446,687.40 : x
  2. Step 2: Convert to fraction form
    446,687.40/626,191.80 = 446,687.40/x
  3. Step 3: Cross multiply
    446,687.40x = 626,191.80 × 446,687.40
  4. Step 4: Simplify right side
    446,687.40x = 279,711,987,043.32
  5. Step 5: Solve for x
    x = 279,711,987,043.32/446,687.40
  6. Step 6: Final answer
    x = 626,191.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.