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Finding the Fourth Proportional to 377,693.34, 566,643.82 and 111,453.88

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Solution

The fourth proportional to 377,693.34, 566,643.82 and 111,453.88 is: 167,211.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,693.34 : 566,643.82 = 111,453.88 : x
  2. Step 2: Convert to fraction form
    377,693.34/566,643.82 = 111,453.88/x
  3. Step 3: Cross multiply
    377,693.34x = 566,643.82 × 111,453.88
  4. Step 4: Simplify right side
    377,693.34x = 63,154,652,317.02
  5. Step 5: Solve for x
    x = 63,154,652,317.02/377,693.34
  6. Step 6: Final answer
    x = 167,211.45

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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.