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Finding the Fourth Proportional to 907,768.96, 1,252,696.80 and 505,360.96

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Solution

The fourth proportional to 907,768.96, 1,252,696.80 and 505,360.96 is: 697,384.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,768.96 : 1,252,696.80 = 505,360.96 : x
  2. Step 2: Convert to fraction form
    907,768.96/1,252,696.80 = 505,360.96/x
  3. Step 3: Cross multiply
    907,768.96x = 1,252,696.80 × 505,360.96
  4. Step 4: Simplify right side
    907,768.96x = 633,064,057,436.93
  5. Step 5: Solve for x
    x = 633,064,057,436.93/907,768.96
  6. Step 6: Final answer
    x = 697,384.56

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.