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Finding the Fourth Proportional to 437,447.90, 603,655.80 and 246,472.58

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Solution

The fourth proportional to 437,447.90, 603,655.80 and 246,472.58 is: 340,119.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,447.90 : 603,655.80 = 246,472.58 : x
  2. Step 2: Convert to fraction form
    437,447.90/603,655.80 = 246,472.58/x
  3. Step 3: Cross multiply
    437,447.90x = 603,655.80 × 246,472.58
  4. Step 4: Simplify right side
    437,447.90x = 148,784,602,457.96
  5. Step 5: Solve for x
    x = 148,784,602,457.96/437,447.90
  6. Step 6: Final answer
    x = 340,119.59

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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.