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Finding the Fourth Proportional to 529,415.70, 794,123.55 and 494,423.70

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Solution

The fourth proportional to 529,415.70, 794,123.55 and 494,423.70 is: 741,635.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,415.70 : 794,123.55 = 494,423.70 : x
  2. Step 2: Convert to fraction form
    529,415.70/794,123.55 = 494,423.70/x
  3. Step 3: Cross multiply
    529,415.70x = 794,123.55 × 494,423.70
  4. Step 4: Simplify right side
    529,415.70x = 392,633,503,848.14
  5. Step 5: Solve for x
    x = 392,633,503,848.14/529,415.70
  6. Step 6: Final answer
    x = 741,635.55

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.