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Finding the Fourth Proportional to 544,080.72, 750,938.88 and 347,721.60

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Solution

The fourth proportional to 544,080.72, 750,938.88 and 347,721.60 is: 479,924.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,080.72 : 750,938.88 = 347,721.60 : x
  2. Step 2: Convert to fraction form
    544,080.72/750,938.88 = 347,721.60/x
  3. Step 3: Cross multiply
    544,080.72x = 750,938.88 × 347,721.60
  4. Step 4: Simplify right side
    544,080.72x = 261,117,668,855.81
  5. Step 5: Solve for x
    x = 261,117,668,855.81/544,080.72
  6. Step 6: Final answer
    x = 479,924.50

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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.