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Finding the Fourth Proportional to 296,026.10, 443,820.45 and 127,408.40

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Solution

The fourth proportional to 296,026.10, 443,820.45 and 127,408.40 is: 191,018.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,026.10 : 443,820.45 = 127,408.40 : x
  2. Step 2: Convert to fraction form
    296,026.10/443,820.45 = 127,408.40/x
  3. Step 3: Cross multiply
    296,026.10x = 443,820.45 × 127,408.40
  4. Step 4: Simplify right side
    296,026.10x = 56,546,453,421.78
  5. Step 5: Solve for x
    x = 56,546,453,421.78/296,026.10
  6. Step 6: Final answer
    x = 191,018.47

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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.