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Finding the Fourth Proportional to 670,181.85, 924,850.95 and 368,375.85

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Solution

The fourth proportional to 670,181.85, 924,850.95 and 368,375.85 is: 508,358.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,181.85 : 924,850.95 = 368,375.85 : x
  2. Step 2: Convert to fraction form
    670,181.85/924,850.95 = 368,375.85/x
  3. Step 3: Cross multiply
    670,181.85x = 924,850.95 × 368,375.85
  4. Step 4: Simplify right side
    670,181.85x = 340,692,748,363.42
  5. Step 5: Solve for x
    x = 340,692,748,363.42/670,181.85
  6. Step 6: Final answer
    x = 508,358.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.