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Finding the Fourth Proportional to 476,365.05, 714,173.36 and 326,150.96

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Solution

The fourth proportional to 476,365.05, 714,173.36 and 326,150.96 is: 488,970.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,365.05 : 714,173.36 = 326,150.96 : x
  2. Step 2: Convert to fraction form
    476,365.05/714,173.36 = 326,150.96/x
  3. Step 3: Cross multiply
    476,365.05x = 714,173.36 × 326,150.96
  4. Step 4: Simplify right side
    476,365.05x = 232,928,321,768.80
  5. Step 5: Solve for x
    x = 232,928,321,768.80/476,365.05
  6. Step 6: Final answer
    x = 488,970.22

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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.