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Finding the Fourth Proportional to 345,593.79, 476,820.07 and 224,912.70

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Solution

The fourth proportional to 345,593.79, 476,820.07 and 224,912.70 is: 310,314.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,593.79 : 476,820.07 = 224,912.70 : x
  2. Step 2: Convert to fraction form
    345,593.79/476,820.07 = 224,912.70/x
  3. Step 3: Cross multiply
    345,593.79x = 476,820.07 × 224,912.70
  4. Step 4: Simplify right side
    345,593.79x = 107,242,888,795.61
  5. Step 5: Solve for x
    x = 107,242,888,795.61/345,593.79
  6. Step 6: Final answer
    x = 310,314.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.