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Finding the Fourth Proportional to 504,805.20, 696,635.61 and 275,363.49

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Solution

The fourth proportional to 504,805.20, 696,635.61 and 275,363.49 is: 380,004.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,805.20 : 696,635.61 = 275,363.49 : x
  2. Step 2: Convert to fraction form
    504,805.20/696,635.61 = 275,363.49/x
  3. Step 3: Cross multiply
    504,805.20x = 696,635.61 × 275,363.49
  4. Step 4: Simplify right side
    504,805.20x = 191,828,012,827.88
  5. Step 5: Solve for x
    x = 191,828,012,827.88/504,805.20
  6. Step 6: Final answer
    x = 380,004.03

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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.