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Finding the Fourth Proportional to 544,345.28, 814,770.96 and 290,992.40

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Solution

The fourth proportional to 544,345.28, 814,770.96 and 290,992.40 is: 435,554.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,345.28 : 814,770.96 = 290,992.40 : x
  2. Step 2: Convert to fraction form
    544,345.28/814,770.96 = 290,992.40/x
  3. Step 3: Cross multiply
    544,345.28x = 814,770.96 × 290,992.40
  4. Step 4: Simplify right side
    544,345.28x = 237,092,157,100.70
  5. Step 5: Solve for x
    x = 237,092,157,100.70/544,345.28
  6. Step 6: Final answer
    x = 435,554.72

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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.