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Finding the Fourth Proportional to 298,599.51, 447,896.49 and 121,064.34

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Solution

The fourth proportional to 298,599.51, 447,896.49 and 121,064.34 is: 181,595.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,599.51 : 447,896.49 = 121,064.34 : x
  2. Step 2: Convert to fraction form
    298,599.51/447,896.49 = 121,064.34/x
  3. Step 3: Cross multiply
    298,599.51x = 447,896.49 × 121,064.34
  4. Step 4: Simplify right side
    298,599.51x = 54,224,292,950.17
  5. Step 5: Solve for x
    x = 54,224,292,950.17/298,599.51
  6. Step 6: Final answer
    x = 181,595.38

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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.