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Finding the Fourth Proportional to 474,667.26, 655,039.72 and 259,805.45

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Solution

The fourth proportional to 474,667.26, 655,039.72 and 259,805.45 is: 358,530.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,667.26 : 655,039.72 = 259,805.45 : x
  2. Step 2: Convert to fraction form
    474,667.26/655,039.72 = 259,805.45/x
  3. Step 3: Cross multiply
    474,667.26x = 655,039.72 × 259,805.45
  4. Step 4: Simplify right side
    474,667.26x = 170,182,889,222.47
  5. Step 5: Solve for x
    x = 170,182,889,222.47/474,667.26
  6. Step 6: Final answer
    x = 358,530.92

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1.5x scale

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.