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Finding the Fourth Proportional to 604,884.46, 906,716.76 and 380,405.32

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Solution

The fourth proportional to 604,884.46, 906,716.76 and 380,405.32 is: 570,224.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,884.46 : 906,716.76 = 380,405.32 : x
  2. Step 2: Convert to fraction form
    604,884.46/906,716.76 = 380,405.32/x
  3. Step 3: Cross multiply
    604,884.46x = 906,716.76 × 380,405.32
  4. Step 4: Simplify right side
    604,884.46x = 344,919,879,237.16
  5. Step 5: Solve for x
    x = 344,919,879,237.16/604,884.46
  6. Step 6: Final answer
    x = 570,224.40

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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.