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Finding the Fourth Proportional to 502,120.17, 692,931.24 and 275,765.67

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Solution

The fourth proportional to 502,120.17, 692,931.24 and 275,765.67 is: 380,559.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,120.17 : 692,931.24 = 275,765.67 : x
  2. Step 2: Convert to fraction form
    502,120.17/692,931.24 = 275,765.67/x
  3. Step 3: Cross multiply
    502,120.17x = 692,931.24 × 275,765.67
  4. Step 4: Simplify right side
    502,120.17x = 191,086,647,662.53
  5. Step 5: Solve for x
    x = 191,086,647,662.53/502,120.17
  6. Step 6: Final answer
    x = 380,559.59

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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.