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Finding the Fourth Proportional to 504,401.18, 696,064.12 and 274,960.58

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Solution

The fourth proportional to 504,401.18, 696,064.12 and 274,960.58 is: 379,440.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,401.18 : 696,064.12 = 274,960.58 : x
  2. Step 2: Convert to fraction form
    504,401.18/696,064.12 = 274,960.58/x
  3. Step 3: Cross multiply
    504,401.18x = 696,064.12 × 274,960.58
  4. Step 4: Simplify right side
    504,401.18x = 191,390,189,984.67
  5. Step 5: Solve for x
    x = 191,390,189,984.67/504,401.18
  6. Step 6: Final answer
    x = 379,440.41

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Similar ratio
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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.