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Finding the Fourth Proportional to 581,638.52, 872,081.94 and 277,907.96

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Solution

The fourth proportional to 581,638.52, 872,081.94 and 277,907.96 is: 416,682.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,638.52 : 872,081.94 = 277,907.96 : x
  2. Step 2: Convert to fraction form
    581,638.52/872,081.94 = 277,907.96/x
  3. Step 3: Cross multiply
    581,638.52x = 872,081.94 × 277,907.96
  4. Step 4: Simplify right side
    581,638.52x = 242,358,512,898.24
  5. Step 5: Solve for x
    x = 242,358,512,898.24/581,638.52
  6. Step 6: Final answer
    x = 416,682.36

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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.