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Finding the Fourth Proportional to 562,696.96, 776,535.48 and 308,047.36

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Solution

The fourth proportional to 562,696.96, 776,535.48 and 308,047.36 is: 425,112.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,696.96 : 776,535.48 = 308,047.36 : x
  2. Step 2: Convert to fraction form
    562,696.96/776,535.48 = 308,047.36/x
  3. Step 3: Cross multiply
    562,696.96x = 776,535.48 × 308,047.36
  4. Step 4: Simplify right side
    562,696.96x = 239,209,704,560.33
  5. Step 5: Solve for x
    x = 239,209,704,560.33/562,696.96
  6. Step 6: Final answer
    x = 425,112.84

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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.