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Finding the Fourth Proportional to 504,849.90, 696,694.85 and 275,412.09

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Solution

The fourth proportional to 504,849.90, 696,694.85 and 275,412.09 is: 380,069.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,849.90 : 696,694.85 = 275,412.09 : x
  2. Step 2: Convert to fraction form
    504,849.90/696,694.85 = 275,412.09/x
  3. Step 3: Cross multiply
    504,849.90x = 696,694.85 × 275,412.09
  4. Step 4: Simplify right side
    504,849.90x = 191,878,184,730.74
  5. Step 5: Solve for x
    x = 191,878,184,730.74/504,849.90
  6. Step 6: Final answer
    x = 380,069.77

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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.