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Finding the Fourth Proportional to 590,314.20, 885,471.29 and 561,631.70

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Solution

The fourth proportional to 590,314.20, 885,471.29 and 561,631.70 is: 842,447.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,314.20 : 885,471.29 = 561,631.70 : x
  2. Step 2: Convert to fraction form
    590,314.20/885,471.29 = 561,631.70/x
  3. Step 3: Cross multiply
    590,314.20x = 885,471.29 × 561,631.70
  4. Step 4: Simplify right side
    590,314.20x = 497,308,738,668.38
  5. Step 5: Solve for x
    x = 497,308,738,668.38/590,314.20
  6. Step 6: Final answer
    x = 842,447.53

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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.