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Finding the Fourth Proportional to 463,907.96, 640,192.55 and 259,960.49

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Solution

The fourth proportional to 463,907.96, 640,192.55 and 259,960.49 is: 358,745.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,907.96 : 640,192.55 = 259,960.49 : x
  2. Step 2: Convert to fraction form
    463,907.96/640,192.55 = 259,960.49/x
  3. Step 3: Cross multiply
    463,907.96x = 640,192.55 × 259,960.49
  4. Step 4: Simplify right side
    463,907.96x = 166,424,771,955.67
  5. Step 5: Solve for x
    x = 166,424,771,955.67/463,907.96
  6. Step 6: Final answer
    x = 358,745.24

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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.