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Finding the Fourth Proportional to 348,205.64, 480,623.42 and 205,048.72

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Solution

The fourth proportional to 348,205.64, 480,623.42 and 205,048.72 is: 283,025.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,205.64 : 480,623.42 = 205,048.72 : x
  2. Step 2: Convert to fraction form
    348,205.64/480,623.42 = 205,048.72/x
  3. Step 3: Cross multiply
    348,205.64x = 480,623.42 × 205,048.72
  4. Step 4: Simplify right side
    348,205.64x = 98,551,214,669.91
  5. Step 5: Solve for x
    x = 98,551,214,669.91/348,205.64
  6. Step 6: Final answer
    x = 283,025.90

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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.