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Finding the Fourth Proportional to 370,692.64, 555,839.70 and 117,904.60

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Solution

The fourth proportional to 370,692.64, 555,839.70 and 117,904.60 is: 176,793.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,692.64 : 555,839.70 = 117,904.60 : x
  2. Step 2: Convert to fraction form
    370,692.64/555,839.70 = 117,904.60/x
  3. Step 3: Cross multiply
    370,692.64x = 555,839.70 × 117,904.60
  4. Step 4: Simplify right side
    370,692.64x = 65,536,057,492.62
  5. Step 5: Solve for x
    x = 65,536,057,492.62/370,692.64
  6. Step 6: Final answer
    x = 176,793.52

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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.