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Finding the Fourth Proportional to 303,699, 419,130.54 and 169,588.92

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Solution

The fourth proportional to 303,699, 419,130.54 and 169,588.92 is: 234,047.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,699 : 419,130.54 = 169,588.92 : x
  2. Step 2: Convert to fraction form
    303,699/419,130.54 = 169,588.92/x
  3. Step 3: Cross multiply
    303,699x = 419,130.54 × 169,588.92
  4. Step 4: Simplify right side
    303,699x = 71,079,895,617.62
  5. Step 5: Solve for x
    x = 71,079,895,617.62/303,699
  6. Step 6: Final answer
    x = 234,047.18

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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.