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Finding the Fourth Proportional to 544,712.88, 751,650.98 and 315,224.58

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Solution

The fourth proportional to 544,712.88, 751,650.98 and 315,224.58 is: 434,979.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,712.88 : 751,650.98 = 315,224.58 : x
  2. Step 2: Convert to fraction form
    544,712.88/751,650.98 = 315,224.58/x
  3. Step 3: Cross multiply
    544,712.88x = 751,650.98 × 315,224.58
  4. Step 4: Simplify right side
    544,712.88x = 236,938,864,477.09
  5. Step 5: Solve for x
    x = 236,938,864,477.09/544,712.88
  6. Step 6: Final answer
    x = 434,979.37

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1.5x scale

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.