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Finding the Fourth Proportional to 535,998.96, 739,645.41 and 294,280.17

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Solution

The fourth proportional to 535,998.96, 739,645.41 and 294,280.17 is: 406,088.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,998.96 : 739,645.41 = 294,280.17 : x
  2. Step 2: Convert to fraction form
    535,998.96/739,645.41 = 294,280.17/x
  3. Step 3: Cross multiply
    535,998.96x = 739,645.41 × 294,280.17
  4. Step 4: Simplify right side
    535,998.96x = 217,662,976,994.52
  5. Step 5: Solve for x
    x = 217,662,976,994.52/535,998.96
  6. Step 6: Final answer
    x = 406,088.43

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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.