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Finding the Fourth Proportional to 364,599.70, 546,899.55 and 331,357.30

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Solution

The fourth proportional to 364,599.70, 546,899.55 and 331,357.30 is: 497,035.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,599.70 : 546,899.55 = 331,357.30 : x
  2. Step 2: Convert to fraction form
    364,599.70/546,899.55 = 331,357.30/x
  3. Step 3: Cross multiply
    364,599.70x = 546,899.55 × 331,357.30
  4. Step 4: Simplify right side
    364,599.70x = 181,219,158,259.22
  5. Step 5: Solve for x
    x = 181,219,158,259.22/364,599.70
  6. Step 6: Final answer
    x = 497,035.95

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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.