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Finding the Fourth Proportional to 657,099.84, 985,499.10 and 183,818.64

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Solution

The fourth proportional to 657,099.84, 985,499.10 and 183,818.64 is: 275,685.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,099.84 : 985,499.10 = 183,818.64 : x
  2. Step 2: Convert to fraction form
    657,099.84/985,499.10 = 183,818.64/x
  3. Step 3: Cross multiply
    657,099.84x = 985,499.10 × 183,818.64
  4. Step 4: Simplify right side
    657,099.84x = 181,153,104,283.22
  5. Step 5: Solve for x
    x = 181,153,104,283.22/657,099.84
  6. Step 6: Final answer
    x = 275,685.81

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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.