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Finding the Fourth Proportional to 488,122.10, 731,405.55 and 362,150.90

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Solution

The fourth proportional to 488,122.10, 731,405.55 and 362,150.90 is: 542,649.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,122.10 : 731,405.55 = 362,150.90 : x
  2. Step 2: Convert to fraction form
    488,122.10/731,405.55 = 362,150.90/x
  3. Step 3: Cross multiply
    488,122.10x = 731,405.55 × 362,150.90
  4. Step 4: Simplify right side
    488,122.10x = 264,879,178,197.50
  5. Step 5: Solve for x
    x = 264,879,178,197.50/488,122.10
  6. Step 6: Final answer
    x = 542,649.43

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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.