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Finding the Fourth Proportional to 435,650.55, 601,190.20 and 242,060.05

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Solution

The fourth proportional to 435,650.55, 601,190.20 and 242,060.05 is: 334,038.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,650.55 : 601,190.20 = 242,060.05 : x
  2. Step 2: Convert to fraction form
    435,650.55/601,190.20 = 242,060.05/x
  3. Step 3: Cross multiply
    435,650.55x = 601,190.20 × 242,060.05
  4. Step 4: Simplify right side
    435,650.55x = 145,524,127,543.88
  5. Step 5: Solve for x
    x = 145,524,127,543.88/435,650.55
  6. Step 6: Final answer
    x = 334,038.66

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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.