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Finding the Fourth Proportional to 702,627.04, 969,624.49 and 380,337.04

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Solution

The fourth proportional to 702,627.04, 969,624.49 and 380,337.04 is: 524,864.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,627.04 : 969,624.49 = 380,337.04 : x
  2. Step 2: Convert to fraction form
    702,627.04/969,624.49 = 380,337.04/x
  3. Step 3: Cross multiply
    702,627.04x = 969,624.49 × 380,337.04
  4. Step 4: Simplify right side
    702,627.04x = 368,784,108,438.11
  5. Step 5: Solve for x
    x = 368,784,108,438.11/702,627.04
  6. Step 6: Final answer
    x = 524,864.67

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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.