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Finding the Fourth Proportional to 345,809.97, 477,293.91 and 224,740.89

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Solution

The fourth proportional to 345,809.97, 477,293.91 and 224,740.89 is: 310,191.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,809.97 : 477,293.91 = 224,740.89 : x
  2. Step 2: Convert to fraction form
    345,809.97/477,293.91 = 224,740.89/x
  3. Step 3: Cross multiply
    345,809.97x = 477,293.91 × 224,740.89
  4. Step 4: Simplify right side
    345,809.97x = 107,267,458,124.98
  5. Step 5: Solve for x
    x = 107,267,458,124.98/345,809.97
  6. Step 6: Final answer
    x = 310,191.92

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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.