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Finding the Fourth Proportional to 296,628.34, 409,376.46 and 169,323.07

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Solution

The fourth proportional to 296,628.34, 409,376.46 and 169,323.07 is: 233,682.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,628.34 : 409,376.46 = 169,323.07 : x
  2. Step 2: Convert to fraction form
    296,628.34/409,376.46 = 169,323.07/x
  3. Step 3: Cross multiply
    296,628.34x = 409,376.46 × 169,323.07
  4. Step 4: Simplify right side
    296,628.34x = 69,316,878,992.93
  5. Step 5: Solve for x
    x = 69,316,878,992.93/296,628.34
  6. Step 6: Final answer
    x = 233,682.59

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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.