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Finding the Fourth Proportional to 562,877.27, 776,907.35 and 347,887.88

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Solution

The fourth proportional to 562,877.27, 776,907.35 and 347,887.88 is: 480,169.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,877.27 : 776,907.35 = 347,887.88 : x
  2. Step 2: Convert to fraction form
    562,877.27/776,907.35 = 347,887.88/x
  3. Step 3: Cross multiply
    562,877.27x = 776,907.35 × 347,887.88
  4. Step 4: Simplify right side
    562,877.27x = 270,276,645,323.94
  5. Step 5: Solve for x
    x = 270,276,645,323.94/562,877.27
  6. Step 6: Final answer
    x = 480,169.77

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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.