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Finding the Fourth Proportional to 453,765.60, 680,648.40 and 188,045.10

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Solution

The fourth proportional to 453,765.60, 680,648.40 and 188,045.10 is: 282,067.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,765.60 : 680,648.40 = 188,045.10 : x
  2. Step 2: Convert to fraction form
    453,765.60/680,648.40 = 188,045.10/x
  3. Step 3: Cross multiply
    453,765.60x = 680,648.40 × 188,045.10
  4. Step 4: Simplify right side
    453,765.60x = 127,992,596,442.84
  5. Step 5: Solve for x
    x = 127,992,596,442.84/453,765.60
  6. Step 6: Final answer
    x = 282,067.65

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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.