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Finding the Fourth Proportional to 675,017.84, 931,556.94 and 373,231.28

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Solution

The fourth proportional to 675,017.84, 931,556.94 and 373,231.28 is: 515,077.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,017.84 : 931,556.94 = 373,231.28 : x
  2. Step 2: Convert to fraction form
    675,017.84/931,556.94 = 373,231.28/x
  3. Step 3: Cross multiply
    675,017.84x = 931,556.94 × 373,231.28
  4. Step 4: Simplify right side
    675,017.84x = 347,686,190,038.36
  5. Step 5: Solve for x
    x = 347,686,190,038.36/675,017.84
  6. Step 6: Final answer
    x = 515,077.04

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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.