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Finding the Fourth Proportional to 492,801.48, 680,065.65 and 277,941.06

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Solution

The fourth proportional to 492,801.48, 680,065.65 and 277,941.06 is: 383,558.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,801.48 : 680,065.65 = 277,941.06 : x
  2. Step 2: Convert to fraction form
    492,801.48/680,065.65 = 277,941.06/x
  3. Step 3: Cross multiply
    492,801.48x = 680,065.65 × 277,941.06
  4. Step 4: Simplify right side
    492,801.48x = 189,018,167,630.59
  5. Step 5: Solve for x
    x = 189,018,167,630.59/492,801.48
  6. Step 6: Final answer
    x = 383,558.44

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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.