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Finding the Fourth Proportional to 588,538.80, 882,808.20 and 289,211.40

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Solution

The fourth proportional to 588,538.80, 882,808.20 and 289,211.40 is: 433,817.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,538.80 : 882,808.20 = 289,211.40 : x
  2. Step 2: Convert to fraction form
    588,538.80/882,808.20 = 289,211.40/x
  3. Step 3: Cross multiply
    588,538.80x = 882,808.20 × 289,211.40
  4. Step 4: Simplify right side
    588,538.80x = 255,318,195,453.48
  5. Step 5: Solve for x
    x = 255,318,195,453.48/588,538.80
  6. Step 6: Final answer
    x = 433,817.10

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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.