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Finding the Fourth Proportional to 461,354.10, 692,225.55 and 251,142.90

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Solution

The fourth proportional to 461,354.10, 692,225.55 and 251,142.90 is: 376,820.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,354.10 : 692,225.55 = 251,142.90 : x
  2. Step 2: Convert to fraction form
    461,354.10/692,225.55 = 251,142.90/x
  3. Step 3: Cross multiply
    461,354.10x = 692,225.55 × 251,142.90
  4. Step 4: Simplify right side
    461,354.10x = 173,847,532,081.10
  5. Step 5: Solve for x
    x = 173,847,532,081.10/461,354.10
  6. Step 6: Final answer
    x = 376,820.17

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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.