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Finding the Fourth Proportional to 474,709.46, 655,106.27 and 259,869.51

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Solution

The fourth proportional to 474,709.46, 655,106.27 and 259,869.51 is: 358,623.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,709.46 : 655,106.27 = 259,869.51 : x
  2. Step 2: Convert to fraction form
    474,709.46/655,106.27 = 259,869.51/x
  3. Step 3: Cross multiply
    474,709.46x = 655,106.27 × 259,869.51
  4. Step 4: Simplify right side
    474,709.46x = 170,242,144,083.48
  5. Step 5: Solve for x
    x = 170,242,144,083.48/474,709.46
  6. Step 6: Final answer
    x = 358,623.87

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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.