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Finding the Fourth Proportional to 590,559.40, 885,839.10 and 413,266.60

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Solution

The fourth proportional to 590,559.40, 885,839.10 and 413,266.60 is: 619,899.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,559.40 : 885,839.10 = 413,266.60 : x
  2. Step 2: Convert to fraction form
    590,559.40/885,839.10 = 413,266.60/x
  3. Step 3: Cross multiply
    590,559.40x = 885,839.10 × 413,266.60
  4. Step 4: Simplify right side
    590,559.40x = 366,087,713,004.06
  5. Step 5: Solve for x
    x = 366,087,713,004.06/590,559.40
  6. Step 6: Final answer
    x = 619,899.90

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Similar ratio
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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.