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Finding the Fourth Proportional to 544,424.84, 751,195.80 and 318,026.60

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Solution

The fourth proportional to 544,424.84, 751,195.80 and 318,026.60 is: 438,812.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,424.84 : 751,195.80 = 318,026.60 : x
  2. Step 2: Convert to fraction form
    544,424.84/751,195.80 = 318,026.60/x
  3. Step 3: Cross multiply
    544,424.84x = 751,195.80 × 318,026.60
  4. Step 4: Simplify right side
    544,424.84x = 238,900,246,208.28
  5. Step 5: Solve for x
    x = 238,900,246,208.28/544,424.84
  6. Step 6: Final answer
    x = 438,812.17

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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.