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Finding the Fourth Proportional to 588,000.70, 882,001.05 and 455,290.30

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Solution

The fourth proportional to 588,000.70, 882,001.05 and 455,290.30 is: 682,935.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,000.70 : 882,001.05 = 455,290.30 : x
  2. Step 2: Convert to fraction form
    588,000.70/882,001.05 = 455,290.30/x
  3. Step 3: Cross multiply
    588,000.70x = 882,001.05 × 455,290.30
  4. Step 4: Simplify right side
    588,000.70x = 401,566,522,654.82
  5. Step 5: Solve for x
    x = 401,566,522,654.82/588,000.70
  6. Step 6: Final answer
    x = 682,935.45

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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.