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Finding the Fourth Proportional to 296,798.56, 445,225.44 and 97,120.24

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Solution

The fourth proportional to 296,798.56, 445,225.44 and 97,120.24 is: 145,689.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,798.56 : 445,225.44 = 97,120.24 : x
  2. Step 2: Convert to fraction form
    296,798.56/445,225.44 = 97,120.24/x
  3. Step 3: Cross multiply
    296,798.56x = 445,225.44 × 97,120.24
  4. Step 4: Simplify right side
    296,798.56x = 43,240,401,586.91
  5. Step 5: Solve for x
    x = 43,240,401,586.91/296,798.56
  6. Step 6: Final answer
    x = 145,689.39

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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.