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Finding the Fourth Proportional to 373,070.76, 559,715.27 and 120,346.05

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Solution

The fourth proportional to 373,070.76, 559,715.27 and 120,346.05 is: 180,554.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,070.76 : 559,715.27 = 120,346.05 : x
  2. Step 2: Convert to fraction form
    373,070.76/559,715.27 = 120,346.05/x
  3. Step 3: Cross multiply
    373,070.76x = 559,715.27 × 120,346.05
  4. Step 4: Simplify right side
    373,070.76x = 67,359,523,366.39
  5. Step 5: Solve for x
    x = 67,359,523,366.39/373,070.76
  6. Step 6: Final answer
    x = 180,554.28

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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.