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Finding the Fourth Proportional to 562,729.96, 776,569.62 and 308,104.84

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Solution

The fourth proportional to 562,729.96, 776,569.62 and 308,104.84 is: 425,185.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,729.96 : 776,569.62 = 308,104.84 : x
  2. Step 2: Convert to fraction form
    562,729.96/776,569.62 = 308,104.84/x
  3. Step 3: Cross multiply
    562,729.96x = 776,569.62 × 308,104.84
  4. Step 4: Simplify right side
    562,729.96x = 239,264,858,518.96
  5. Step 5: Solve for x
    x = 239,264,858,518.96/562,729.96
  6. Step 6: Final answer
    x = 425,185.92

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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.