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Finding the Fourth Proportional to 415,007.70, 622,511.55 and 373,017.30

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Solution

The fourth proportional to 415,007.70, 622,511.55 and 373,017.30 is: 559,525.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,007.70 : 622,511.55 = 373,017.30 : x
  2. Step 2: Convert to fraction form
    415,007.70/622,511.55 = 373,017.30/x
  3. Step 3: Cross multiply
    415,007.70x = 622,511.55 × 373,017.30
  4. Step 4: Simplify right side
    415,007.70x = 232,207,577,599.82
  5. Step 5: Solve for x
    x = 232,207,577,599.82/415,007.70
  6. Step 6: Final answer
    x = 559,525.95

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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.