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Finding the Fourth Proportional to 481,804.67, 722,482.64 and 215,567.39

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Solution

The fourth proportional to 481,804.67, 722,482.64 and 215,567.39 is: 323,250.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,804.67 : 722,482.64 = 215,567.39 : x
  2. Step 2: Convert to fraction form
    481,804.67/722,482.64 = 215,567.39/x
  3. Step 3: Cross multiply
    481,804.67x = 722,482.64 × 215,567.39
  4. Step 4: Simplify right side
    481,804.67x = 155,743,698,561.86
  5. Step 5: Solve for x
    x = 155,743,698,561.86/481,804.67
  6. Step 6: Final answer
    x = 323,250.70

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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.