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Finding the Fourth Proportional to 497,104.20, 745,656.30 and 197,485.20

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Solution

The fourth proportional to 497,104.20, 745,656.30 and 197,485.20 is: 296,227.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,104.20 : 745,656.30 = 197,485.20 : x
  2. Step 2: Convert to fraction form
    497,104.20/745,656.30 = 197,485.20/x
  3. Step 3: Cross multiply
    497,104.20x = 745,656.30 × 197,485.20
  4. Step 4: Simplify right side
    497,104.20x = 147,256,083,536.76
  5. Step 5: Solve for x
    x = 147,256,083,536.76/497,104.20
  6. Step 6: Final answer
    x = 296,227.80

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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.