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Finding the Fourth Proportional to 504,885.72, 696,744.24 and 275,448.15

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Solution

The fourth proportional to 504,885.72, 696,744.24 and 275,448.15 is: 380,119.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,885.72 : 696,744.24 = 275,448.15 : x
  2. Step 2: Convert to fraction form
    504,885.72/696,744.24 = 275,448.15/x
  3. Step 3: Cross multiply
    504,885.72x = 696,744.24 × 275,448.15
  4. Step 4: Simplify right side
    504,885.72x = 191,916,911,931.16
  5. Step 5: Solve for x
    x = 191,916,911,931.16/504,885.72
  6. Step 6: Final answer
    x = 380,119.51

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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.