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Finding the Fourth Proportional to 323,264.42, 484,393.70 and 123,475.76

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Solution

The fourth proportional to 323,264.42, 484,393.70 and 123,475.76 is: 185,021.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,264.42 : 484,393.70 = 123,475.76 : x
  2. Step 2: Convert to fraction form
    323,264.42/484,393.70 = 123,475.76/x
  3. Step 3: Cross multiply
    323,264.42x = 484,393.70 × 123,475.76
  4. Step 4: Simplify right side
    323,264.42x = 59,810,877,207.36
  5. Step 5: Solve for x
    x = 59,810,877,207.36/323,264.42
  6. Step 6: Final answer
    x = 185,021.53

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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.