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Finding the Fourth Proportional to 556,907.70, 835,361.55 and 162,923.70

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Solution

The fourth proportional to 556,907.70, 835,361.55 and 162,923.70 is: 244,385.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,907.70 : 835,361.55 = 162,923.70 : x
  2. Step 2: Convert to fraction form
    556,907.70/835,361.55 = 162,923.70/x
  3. Step 3: Cross multiply
    556,907.70x = 835,361.55 × 162,923.70
  4. Step 4: Simplify right side
    556,907.70x = 136,100,194,563.74
  5. Step 5: Solve for x
    x = 136,100,194,563.74/556,907.70
  6. Step 6: Final answer
    x = 244,385.55

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Similar ratio
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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.