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Finding the Fourth Proportional to 548,371.08, 822,801.78 and 348,638.04

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Solution

The fourth proportional to 548,371.08, 822,801.78 and 348,638.04 is: 523,112.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,371.08 : 822,801.78 = 348,638.04 : x
  2. Step 2: Convert to fraction form
    548,371.08/822,801.78 = 348,638.04/x
  3. Step 3: Cross multiply
    548,371.08x = 822,801.78 × 348,638.04
  4. Step 4: Simplify right side
    548,371.08x = 286,859,999,887.71
  5. Step 5: Solve for x
    x = 286,859,999,887.71/548,371.08
  6. Step 6: Final answer
    x = 523,112.93

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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.