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Finding the Fourth Proportional to 569,218.60, 854,812.05 and 303,498.10

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Solution

The fourth proportional to 569,218.60, 854,812.05 and 303,498.10 is: 455,771.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,218.60 : 854,812.05 = 303,498.10 : x
  2. Step 2: Convert to fraction form
    569,218.60/854,812.05 = 303,498.10/x
  3. Step 3: Cross multiply
    569,218.60x = 854,812.05 × 303,498.10
  4. Step 4: Simplify right side
    569,218.60x = 259,433,833,032.11
  5. Step 5: Solve for x
    x = 259,433,833,032.11/569,218.60
  6. Step 6: Final answer
    x = 455,771.88

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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.