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Finding the Fourth Proportional to 445,191.09, 668,664.68 and 382,523.01

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Solution

The fourth proportional to 445,191.09, 668,664.68 and 382,523.01 is: 574,538.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,191.09 : 668,664.68 = 382,523.01 : x
  2. Step 2: Convert to fraction form
    445,191.09/668,664.68 = 382,523.01/x
  3. Step 3: Cross multiply
    445,191.09x = 668,664.68 × 382,523.01
  4. Step 4: Simplify right side
    445,191.09x = 255,779,624,161.67
  5. Step 5: Solve for x
    x = 255,779,624,161.67/445,191.09
  6. Step 6: Final answer
    x = 574,538.96

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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.