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Finding the Fourth Proportional to 670,888.72, 925,843.80 and 364,984.16

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Solution

The fourth proportional to 670,888.72, 925,843.80 and 364,984.16 is: 503,687.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,888.72 : 925,843.80 = 364,984.16 : x
  2. Step 2: Convert to fraction form
    670,888.72/925,843.80 = 364,984.16/x
  3. Step 3: Cross multiply
    670,888.72x = 925,843.80 × 364,984.16
  4. Step 4: Simplify right side
    670,888.72x = 337,918,321,634.21
  5. Step 5: Solve for x
    x = 337,918,321,634.21/670,888.72
  6. Step 6: Final answer
    x = 503,687.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.