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Finding the Fourth Proportional to 570,147.01, 854,967.78 and 303,857.89

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Solution

The fourth proportional to 570,147.01, 854,967.78 and 303,857.89 is: 455,652.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,147.01 : 854,967.78 = 303,857.89 : x
  2. Step 2: Convert to fraction form
    570,147.01/854,967.78 = 303,857.89/x
  3. Step 3: Cross multiply
    570,147.01x = 854,967.78 × 303,857.89
  4. Step 4: Simplify right side
    570,147.01x = 259,788,705,648.78
  5. Step 5: Solve for x
    x = 259,788,705,648.78/570,147.01
  6. Step 6: Final answer
    x = 455,652.14

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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.