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Finding the Fourth Proportional to 352,715.84, 486,749.24 and 191,573.57

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Solution

The fourth proportional to 352,715.84, 486,749.24 and 191,573.57 is: 264,372.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,715.84 : 486,749.24 = 191,573.57 : x
  2. Step 2: Convert to fraction form
    352,715.84/486,749.24 = 191,573.57/x
  3. Step 3: Cross multiply
    352,715.84x = 486,749.24 × 191,573.57
  4. Step 4: Simplify right side
    352,715.84x = 93,248,291,297.39
  5. Step 5: Solve for x
    x = 93,248,291,297.39/352,715.84
  6. Step 6: Final answer
    x = 264,372.29

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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.