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Finding the Fourth Proportional to 373,298.56, 515,196.40 and 235,677.44

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Solution

The fourth proportional to 373,298.56, 515,196.40 and 235,677.44 is: 325,262.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,298.56 : 515,196.40 = 235,677.44 : x
  2. Step 2: Convert to fraction form
    373,298.56/515,196.40 = 235,677.44/x
  3. Step 3: Cross multiply
    373,298.56x = 515,196.40 × 235,677.44
  4. Step 4: Simplify right side
    373,298.56x = 121,420,168,649.22
  5. Step 5: Solve for x
    x = 121,420,168,649.22/373,298.56
  6. Step 6: Final answer
    x = 325,262.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.