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Finding the Fourth Proportional to 474,404.22, 654,685.20 and 259,547.87

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Solution

The fourth proportional to 474,404.22, 654,685.20 and 259,547.87 is: 358,180.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,404.22 : 654,685.20 = 259,547.87 : x
  2. Step 2: Convert to fraction form
    474,404.22/654,685.20 = 259,547.87/x
  3. Step 3: Cross multiply
    474,404.22x = 654,685.20 × 259,547.87
  4. Step 4: Simplify right side
    474,404.22x = 169,922,144,609.36
  5. Step 5: Solve for x
    x = 169,922,144,609.36/474,404.22
  6. Step 6: Final answer
    x = 358,180.09

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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.