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Finding the Fourth Proportional to 402,704.80, 604,060.80 and 122,222.04

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Solution

The fourth proportional to 402,704.80, 604,060.80 and 122,222.04 is: 183,334.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,704.80 : 604,060.80 = 122,222.04 : x
  2. Step 2: Convert to fraction form
    402,704.80/604,060.80 = 122,222.04/x
  3. Step 3: Cross multiply
    402,704.80x = 604,060.80 × 122,222.04
  4. Step 4: Simplify right side
    402,704.80x = 73,829,543,260.03
  5. Step 5: Solve for x
    x = 73,829,543,260.03/402,704.80
  6. Step 6: Final answer
    x = 183,334.15

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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.