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Finding the Fourth Proportional to 542,480.55, 812,124.54 and 362,118.60

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Solution

The fourth proportional to 542,480.55, 812,124.54 and 362,118.60 is: 542,112.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,480.55 : 812,124.54 = 362,118.60 : x
  2. Step 2: Convert to fraction form
    542,480.55/812,124.54 = 362,118.60/x
  3. Step 3: Cross multiply
    542,480.55x = 812,124.54 × 362,118.60
  4. Step 4: Simplify right side
    542,480.55x = 294,085,401,450.44
  5. Step 5: Solve for x
    x = 294,085,401,450.44/542,480.55
  6. Step 6: Final answer
    x = 542,112.34

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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.