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Finding the Fourth Proportional to 544,331.34, 814,750.02 and 290,978.28

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Solution

The fourth proportional to 544,331.34, 814,750.02 and 290,978.28 is: 435,533.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,331.34 : 814,750.02 = 290,978.28 : x
  2. Step 2: Convert to fraction form
    544,331.34/814,750.02 = 290,978.28/x
  3. Step 3: Cross multiply
    544,331.34x = 814,750.02 × 290,978.28
  4. Step 4: Simplify right side
    544,331.34x = 237,074,559,449.57
  5. Step 5: Solve for x
    x = 237,074,559,449.57/544,331.34
  6. Step 6: Final answer
    x = 435,533.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.