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Finding the Fourth Proportional to 544,347.28, 814,773.94 and 290,994.40

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Solution

The fourth proportional to 544,347.28, 814,773.94 and 290,994.40 is: 435,557.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,347.28 : 814,773.94 = 290,994.40 : x
  2. Step 2: Convert to fraction form
    544,347.28/814,773.94 = 290,994.40/x
  3. Step 3: Cross multiply
    544,347.28x = 814,773.94 × 290,994.40
  4. Step 4: Simplify right side
    544,347.28x = 237,094,653,805.94
  5. Step 5: Solve for x
    x = 237,094,653,805.94/544,347.28
  6. Step 6: Final answer
    x = 435,557.71

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1.5x scale

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.