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Finding the Fourth Proportional to 628,696.44, 943,054.44 and 349,985.16

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Solution

The fourth proportional to 628,696.44, 943,054.44 and 349,985.16 is: 524,983.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,696.44 : 943,054.44 = 349,985.16 : x
  2. Step 2: Convert to fraction form
    628,696.44/943,054.44 = 349,985.16/x
  3. Step 3: Cross multiply
    628,696.44x = 943,054.44 × 349,985.16
  4. Step 4: Simplify right side
    628,696.44x = 330,055,059,072.11
  5. Step 5: Solve for x
    x = 330,055,059,072.11/628,696.44
  6. Step 6: Final answer
    x = 524,983.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.