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Finding the Fourth Proportional to 366,886.30, 514,821.80 and 366,886.30

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Solution

The fourth proportional to 366,886.30, 514,821.80 and 366,886.30 is: 514,821.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,886.30 : 514,821.80 = 366,886.30 : x
  2. Step 2: Convert to fraction form
    366,886.30/514,821.80 = 366,886.30/x
  3. Step 3: Cross multiply
    366,886.30x = 514,821.80 × 366,886.30
  4. Step 4: Simplify right side
    366,886.30x = 188,881,065,361.34
  5. Step 5: Solve for x
    x = 188,881,065,361.34/366,886.30
  6. Step 6: Final answer
    x = 514,821.80

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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.