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Finding the Fourth Proportional to 437,642.45, 603,929.09 and 246,695.48

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Solution

The fourth proportional to 437,642.45, 603,929.09 and 246,695.48 is: 340,429.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,642.45 : 603,929.09 = 246,695.48 : x
  2. Step 2: Convert to fraction form
    437,642.45/603,929.09 = 246,695.48/x
  3. Step 3: Cross multiply
    437,642.45x = 603,929.09 × 246,695.48
  4. Step 4: Simplify right side
    437,642.45x = 148,986,575,510.04
  5. Step 5: Solve for x
    x = 148,986,575,510.04/437,642.45
  6. Step 6: Final answer
    x = 340,429.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.