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Finding the Fourth Proportional to 692,987, 1,039,480.54 and 167,675

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Solution

The fourth proportional to 692,987, 1,039,480.54 and 167,675 is: 251,512.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,987 : 1,039,480.54 = 167,675 : x
  2. Step 2: Convert to fraction form
    692,987/1,039,480.54 = 167,675/x
  3. Step 3: Cross multiply
    692,987x = 1,039,480.54 × 167,675
  4. Step 4: Simplify right side
    692,987x = 174,294,899,544.50
  5. Step 5: Solve for x
    x = 174,294,899,544.50/692,987
  6. Step 6: Final answer
    x = 251,512.51

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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.