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Finding the Fourth Proportional to 194,446.40, 291,669.60 and 163,342.40

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Solution

The fourth proportional to 194,446.40, 291,669.60 and 163,342.40 is: 245,013.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,446.40 : 291,669.60 = 163,342.40 : x
  2. Step 2: Convert to fraction form
    194,446.40/291,669.60 = 163,342.40/x
  3. Step 3: Cross multiply
    194,446.40x = 291,669.60 × 163,342.40
  4. Step 4: Simplify right side
    194,446.40x = 47,642,012,471.04
  5. Step 5: Solve for x
    x = 47,642,012,471.04/194,446.40
  6. Step 6: Final answer
    x = 245,013.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.