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Finding the Fourth Proportional to 510,667.84, 766,054.20 and 195,389.92

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Solution

The fourth proportional to 510,667.84, 766,054.20 and 195,389.92 is: 293,104.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,667.84 : 766,054.20 = 195,389.92 : x
  2. Step 2: Convert to fraction form
    510,667.84/766,054.20 = 195,389.92/x
  3. Step 3: Cross multiply
    510,667.84x = 766,054.20 × 195,389.92
  4. Step 4: Simplify right side
    510,667.84x = 149,679,268,853.66
  5. Step 5: Solve for x
    x = 149,679,268,853.66/510,667.84
  6. Step 6: Final answer
    x = 293,104.94

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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.