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Finding the Fourth Proportional to 584,861.80, 877,292.70 and 210,922.60

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Solution

The fourth proportional to 584,861.80, 877,292.70 and 210,922.60 is: 316,383.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,861.80 : 877,292.70 = 210,922.60 : x
  2. Step 2: Convert to fraction form
    584,861.80/877,292.70 = 210,922.60/x
  3. Step 3: Cross multiply
    584,861.80x = 877,292.70 × 210,922.60
  4. Step 4: Simplify right side
    584,861.80x = 185,040,857,245.02
  5. Step 5: Solve for x
    x = 185,040,857,245.02/584,861.80
  6. Step 6: Final answer
    x = 316,383.90

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Half scale
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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.