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Finding the Fourth Proportional to 224,920.80, 337,381.20 and 213,548.40

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Solution

The fourth proportional to 224,920.80, 337,381.20 and 213,548.40 is: 320,322.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,920.80 : 337,381.20 = 213,548.40 : x
  2. Step 2: Convert to fraction form
    224,920.80/337,381.20 = 213,548.40/x
  3. Step 3: Cross multiply
    224,920.80x = 337,381.20 × 213,548.40
  4. Step 4: Simplify right side
    224,920.80x = 72,047,215,450.08
  5. Step 5: Solve for x
    x = 72,047,215,450.08/224,920.80
  6. Step 6: Final answer
    x = 320,322.60

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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.