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Finding the Fourth Proportional to 544,261.72, 750,819.55 and 353,335.00

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Solution

The fourth proportional to 544,261.72, 750,819.55 and 353,335.00 is: 487,432.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,261.72 : 750,819.55 = 353,335.00 : x
  2. Step 2: Convert to fraction form
    544,261.72/750,819.55 = 353,335.00/x
  3. Step 3: Cross multiply
    544,261.72x = 750,819.55 × 353,335.00
  4. Step 4: Simplify right side
    544,261.72x = 265,290,820,178.48
  5. Step 5: Solve for x
    x = 265,290,820,178.48/544,261.72
  6. Step 6: Final answer
    x = 487,432.45

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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.