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Finding the Fourth Proportional to 971,906.80, 1,457,422.80 and 372,668.80

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Solution

The fourth proportional to 971,906.80, 1,457,422.80 and 372,668.80 is: 558,835.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,906.80 : 1,457,422.80 = 372,668.80 : x
  2. Step 2: Convert to fraction form
    971,906.80/1,457,422.80 = 372,668.80/x
  3. Step 3: Cross multiply
    971,906.80x = 1,457,422.80 × 372,668.80
  4. Step 4: Simplify right side
    971,906.80x = 543,136,005,968.64
  5. Step 5: Solve for x
    x = 543,136,005,968.64/971,906.80
  6. Step 6: Final answer
    x = 558,835.48

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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.