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Finding the Fourth Proportional to 504,548.36, 696,282.18 and 275,103.78

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Solution

The fourth proportional to 504,548.36, 696,282.18 and 275,103.78 is: 379,646.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,548.36 : 696,282.18 = 275,103.78 : x
  2. Step 2: Convert to fraction form
    504,548.36/696,282.18 = 275,103.78/x
  3. Step 3: Cross multiply
    504,548.36x = 696,282.18 × 275,103.78
  4. Step 4: Simplify right side
    504,548.36x = 191,549,859,664.64
  5. Step 5: Solve for x
    x = 191,549,859,664.64/504,548.36
  6. Step 6: Final answer
    x = 379,646.18

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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.