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Finding the Fourth Proportional to 224,744.80, 336,728.40 and 145,818.40

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Solution

The fourth proportional to 224,744.80, 336,728.40 and 145,818.40 is: 218,475.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,744.80 : 336,728.40 = 145,818.40 : x
  2. Step 2: Convert to fraction form
    224,744.80/336,728.40 = 145,818.40/x
  3. Step 3: Cross multiply
    224,744.80x = 336,728.40 × 145,818.40
  4. Step 4: Simplify right side
    224,744.80x = 49,101,196,522.56
  5. Step 5: Solve for x
    x = 49,101,196,522.56/224,744.80
  6. Step 6: Final answer
    x = 218,475.34

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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.