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Finding the Fourth Proportional to 562,688.44, 776,519.67 and 347,822.98

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Solution

The fourth proportional to 562,688.44, 776,519.67 and 347,822.98 is: 480,001.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,688.44 : 776,519.67 = 347,822.98 : x
  2. Step 2: Convert to fraction form
    562,688.44/776,519.67 = 347,822.98/x
  3. Step 3: Cross multiply
    562,688.44x = 776,519.67 × 347,822.98
  4. Step 4: Simplify right side
    562,688.44x = 270,091,385,648.02
  5. Step 5: Solve for x
    x = 270,091,385,648.02/562,688.44
  6. Step 6: Final answer
    x = 480,001.66

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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.