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Finding the Fourth Proportional to 344,641.21, 475,573.49 and 199,421.89

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Solution

The fourth proportional to 344,641.21, 475,573.49 and 199,421.89 is: 275,184.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,641.21 : 475,573.49 = 199,421.89 : x
  2. Step 2: Convert to fraction form
    344,641.21/475,573.49 = 199,421.89/x
  3. Step 3: Cross multiply
    344,641.21x = 475,573.49 × 199,421.89
  4. Step 4: Simplify right side
    344,641.21x = 94,839,762,771.49
  5. Step 5: Solve for x
    x = 94,839,762,771.49/344,641.21
  6. Step 6: Final answer
    x = 275,184.05

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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.