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Finding the Fourth Proportional to 562,833.52, 776,702.55 and 308,184.73

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Solution

The fourth proportional to 562,833.52, 776,702.55 and 308,184.73 is: 425,290.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,833.52 : 776,702.55 = 308,184.73 : x
  2. Step 2: Convert to fraction form
    562,833.52/776,702.55 = 308,184.73/x
  3. Step 3: Cross multiply
    562,833.52x = 776,702.55 × 308,184.73
  4. Step 4: Simplify right side
    562,833.52x = 239,367,865,662.06
  5. Step 5: Solve for x
    x = 239,367,865,662.06/562,833.52
  6. Step 6: Final answer
    x = 425,290.71

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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.