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Finding the Fourth Proportional to 248,907.70, 373,361.55 and 170,175.70

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Solution

The fourth proportional to 248,907.70, 373,361.55 and 170,175.70 is: 255,263.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,907.70 : 373,361.55 = 170,175.70 : x
  2. Step 2: Convert to fraction form
    248,907.70/373,361.55 = 170,175.70/x
  3. Step 3: Cross multiply
    248,907.70x = 373,361.55 × 170,175.70
  4. Step 4: Simplify right side
    248,907.70x = 63,537,063,124.34
  5. Step 5: Solve for x
    x = 63,537,063,124.34/248,907.70
  6. Step 6: Final answer
    x = 255,263.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.