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Finding the Fourth Proportional to 603,247.60, 832,134.23 and 361,390.11

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Solution

The fourth proportional to 603,247.60, 832,134.23 and 361,390.11 is: 498,510.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,247.60 : 832,134.23 = 361,390.11 : x
  2. Step 2: Convert to fraction form
    603,247.60/832,134.23 = 361,390.11/x
  3. Step 3: Cross multiply
    603,247.60x = 832,134.23 × 361,390.11
  4. Step 4: Simplify right side
    603,247.60x = 300,725,077,342.22
  5. Step 5: Solve for x
    x = 300,725,077,342.22/603,247.60
  6. Step 6: Final answer
    x = 498,510.19

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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.