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Finding the Fourth Proportional to 228,667.63, 341,370.08 and 213,471.70

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Solution

The fourth proportional to 228,667.63, 341,370.08 and 213,471.70 is: 318,684.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,667.63 : 341,370.08 = 213,471.70 : x
  2. Step 2: Convert to fraction form
    228,667.63/341,370.08 = 213,471.70/x
  3. Step 3: Cross multiply
    228,667.63x = 341,370.08 × 213,471.70
  4. Step 4: Simplify right side
    228,667.63x = 72,872,851,306.74
  5. Step 5: Solve for x
    x = 72,872,851,306.74/228,667.63
  6. Step 6: Final answer
    x = 318,684.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.