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Finding the Fourth Proportional to 569,206.59, 853,809.88 and 214,300.23

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Solution

The fourth proportional to 569,206.59, 853,809.88 and 214,300.23 is: 321,450.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,206.59 : 853,809.88 = 214,300.23 : x
  2. Step 2: Convert to fraction form
    569,206.59/853,809.88 = 214,300.23/x
  3. Step 3: Cross multiply
    569,206.59x = 853,809.88 × 214,300.23
  4. Step 4: Simplify right side
    569,206.59x = 182,971,653,660.27
  5. Step 5: Solve for x
    x = 182,971,653,660.27/569,206.59
  6. Step 6: Final answer
    x = 321,450.34

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Double scale
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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.