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Finding the Fourth Proportional to 303,670.19, 419,064.90 and 169,534.19

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Solution

The fourth proportional to 303,670.19, 419,064.90 and 169,534.19 is: 233,957.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,670.19 : 419,064.90 = 169,534.19 : x
  2. Step 2: Convert to fraction form
    303,670.19/419,064.90 = 169,534.19/x
  3. Step 3: Cross multiply
    303,670.19x = 419,064.90 × 169,534.19
  4. Step 4: Simplify right side
    303,670.19x = 71,045,828,378.93
  5. Step 5: Solve for x
    x = 71,045,828,378.93/303,670.19
  6. Step 6: Final answer
    x = 233,957.20

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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.