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Finding the Fourth Proportional to 366,907.55, 512,564.65 and 366,907.55

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Solution

The fourth proportional to 366,907.55, 512,564.65 and 366,907.55 is: 512,564.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,907.55 : 512,564.65 = 366,907.55 : x
  2. Step 2: Convert to fraction form
    366,907.55/512,564.65 = 366,907.55/x
  3. Step 3: Cross multiply
    366,907.55x = 512,564.65 × 366,907.55
  4. Step 4: Simplify right side
    366,907.55x = 188,063,839,948.11
  5. Step 5: Solve for x
    x = 188,063,839,948.11/366,907.55
  6. Step 6: Final answer
    x = 512,564.65

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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.