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Finding the Fourth Proportional to 352,549.17, 486,515.04 and 191,400.93

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Solution

The fourth proportional to 352,549.17, 486,515.04 and 191,400.93 is: 264,131.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,549.17 : 486,515.04 = 191,400.93 : x
  2. Step 2: Convert to fraction form
    352,549.17/486,515.04 = 191,400.93/x
  3. Step 3: Cross multiply
    352,549.17x = 486,515.04 × 191,400.93
  4. Step 4: Simplify right side
    352,549.17x = 93,119,431,114.99
  5. Step 5: Solve for x
    x = 93,119,431,114.99/352,549.17
  6. Step 6: Final answer
    x = 264,131.76

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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.