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Finding the Fourth Proportional to 361,504.90, 542,257.35 and 174,880.90

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Solution

The fourth proportional to 361,504.90, 542,257.35 and 174,880.90 is: 262,321.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,504.90 : 542,257.35 = 174,880.90 : x
  2. Step 2: Convert to fraction form
    361,504.90/542,257.35 = 174,880.90/x
  3. Step 3: Cross multiply
    361,504.90x = 542,257.35 × 174,880.90
  4. Step 4: Simplify right side
    361,504.90x = 94,830,453,399.62
  5. Step 5: Solve for x
    x = 94,830,453,399.62/361,504.90
  6. Step 6: Final answer
    x = 262,321.35

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Double scale
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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.