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Finding the Fourth Proportional to 474,656.76, 654,998.58 and 259,800.84

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Solution

The fourth proportional to 474,656.76, 654,998.58 and 259,800.84 is: 358,509.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,656.76 : 654,998.58 = 259,800.84 : x
  2. Step 2: Convert to fraction form
    474,656.76/654,998.58 = 259,800.84/x
  3. Step 3: Cross multiply
    474,656.76x = 654,998.58 × 259,800.84
  4. Step 4: Simplify right side
    474,656.76x = 170,169,181,282.81
  5. Step 5: Solve for x
    x = 170,169,181,282.81/474,656.76
  6. Step 6: Final answer
    x = 358,509.97

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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.