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Finding the Fourth Proportional to 545,727.84, 818,773.94 and 242,080.10

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Solution

The fourth proportional to 545,727.84, 818,773.94 and 242,080.10 is: 363,200.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,727.84 : 818,773.94 = 242,080.10 : x
  2. Step 2: Convert to fraction form
    545,727.84/818,773.94 = 242,080.10/x
  3. Step 3: Cross multiply
    545,727.84x = 818,773.94 × 242,080.10
  4. Step 4: Simplify right side
    545,727.84x = 198,208,880,098.23
  5. Step 5: Solve for x
    x = 198,208,880,098.23/545,727.84
  6. Step 6: Final answer
    x = 363,200.97

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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.