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Finding the Fourth Proportional to 500,771.31, 751,907.38 and 433,510.81

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Solution

The fourth proportional to 500,771.31, 751,907.38 and 433,510.81 is: 650,915.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,771.31 : 751,907.38 = 433,510.81 : x
  2. Step 2: Convert to fraction form
    500,771.31/751,907.38 = 433,510.81/x
  3. Step 3: Cross multiply
    500,771.31x = 751,907.38 × 433,510.81
  4. Step 4: Simplify right side
    500,771.31x = 325,959,978,532.05
  5. Step 5: Solve for x
    x = 325,959,978,532.05/500,771.31
  6. Step 6: Final answer
    x = 650,915.84

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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.