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Finding the Fourth Proportional to 230,671.80, 346,266.90 and 178,313.40

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Solution

The fourth proportional to 230,671.80, 346,266.90 and 178,313.40 is: 267,670.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,671.80 : 346,266.90 = 178,313.40 : x
  2. Step 2: Convert to fraction form
    230,671.80/346,266.90 = 178,313.40/x
  3. Step 3: Cross multiply
    230,671.80x = 346,266.90 × 178,313.40
  4. Step 4: Simplify right side
    230,671.80x = 61,744,028,246.46
  5. Step 5: Solve for x
    x = 61,744,028,246.46/230,671.80
  6. Step 6: Final answer
    x = 267,670.47

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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.