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Finding the Fourth Proportional to 344,393.46, 475,259.76 and 191,427.66

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Solution

The fourth proportional to 344,393.46, 475,259.76 and 191,427.66 is: 264,168.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,393.46 : 475,259.76 = 191,427.66 : x
  2. Step 2: Convert to fraction form
    344,393.46/475,259.76 = 191,427.66/x
  3. Step 3: Cross multiply
    344,393.46x = 475,259.76 × 191,427.66
  4. Step 4: Simplify right side
    344,393.46x = 90,977,863,748.96
  5. Step 5: Solve for x
    x = 90,977,863,748.96/344,393.46
  6. Step 6: Final answer
    x = 264,168.38

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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.