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Finding the Fourth Proportional to 620,282.88, 930,268.80 and 453,764.16

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Solution

The fourth proportional to 620,282.88, 930,268.80 and 453,764.16 is: 680,532.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,282.88 : 930,268.80 = 453,764.16 : x
  2. Step 2: Convert to fraction form
    620,282.88/930,268.80 = 453,764.16/x
  3. Step 3: Cross multiply
    620,282.88x = 930,268.80 × 453,764.16
  4. Step 4: Simplify right side
    620,282.88x = 422,122,640,606.21
  5. Step 5: Solve for x
    x = 422,122,640,606.21/620,282.88
  6. Step 6: Final answer
    x = 680,532.47

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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.