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Finding the Fourth Proportional to 539,871.84, 744,990.48 and 325,081.44

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Solution

The fourth proportional to 539,871.84, 744,990.48 and 325,081.44 is: 448,592.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,871.84 : 744,990.48 = 325,081.44 : x
  2. Step 2: Convert to fraction form
    539,871.84/744,990.48 = 325,081.44/x
  3. Step 3: Cross multiply
    539,871.84x = 744,990.48 × 325,081.44
  4. Step 4: Simplify right side
    539,871.84x = 242,182,578,024.69
  5. Step 5: Solve for x
    x = 242,182,578,024.69/539,871.84
  6. Step 6: Final answer
    x = 448,592.72

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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.