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Finding the Fourth Proportional to 569,417.58, 854,431.20 and 369,691.02

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Solution

The fourth proportional to 569,417.58, 854,431.20 and 369,691.02 is: 554,734.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,417.58 : 854,431.20 = 369,691.02 : x
  2. Step 2: Convert to fraction form
    569,417.58/854,431.20 = 369,691.02/x
  3. Step 3: Cross multiply
    569,417.58x = 854,431.20 × 369,691.02
  4. Step 4: Simplify right side
    569,417.58x = 315,875,541,847.82
  5. Step 5: Solve for x
    x = 315,875,541,847.82/569,417.58
  6. Step 6: Final answer
    x = 554,734.44

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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.