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Finding the Fourth Proportional to 366,885.80, 514,821.10 and 366,885.80

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Solution

The fourth proportional to 366,885.80, 514,821.10 and 366,885.80 is: 514,821.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,885.80 : 514,821.10 = 366,885.80 : x
  2. Step 2: Convert to fraction form
    366,885.80/514,821.10 = 366,885.80/x
  3. Step 3: Cross multiply
    366,885.80x = 514,821.10 × 366,885.80
  4. Step 4: Simplify right side
    366,885.80x = 188,880,551,130.38
  5. Step 5: Solve for x
    x = 188,880,551,130.38/366,885.80
  6. Step 6: Final answer
    x = 514,821.10

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.