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Finding the Fourth Proportional to 536,744.88, 740,746.62 and 321,881.04

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Solution

The fourth proportional to 536,744.88, 740,746.62 and 321,881.04 is: 444,219.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,744.88 : 740,746.62 = 321,881.04 : x
  2. Step 2: Convert to fraction form
    536,744.88/740,746.62 = 321,881.04/x
  3. Step 3: Cross multiply
    536,744.88x = 740,746.62 × 321,881.04
  4. Step 4: Simplify right side
    536,744.88x = 238,432,292,422.09
  5. Step 5: Solve for x
    x = 238,432,292,422.09/536,744.88
  6. Step 6: Final answer
    x = 444,219.03

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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.