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Finding the Fourth Proportional to 556,206.66, 834,311.34 and 156,849.53

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Solution

The fourth proportional to 556,206.66, 834,311.34 and 156,849.53 is: 235,274.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,206.66 : 834,311.34 = 156,849.53 : x
  2. Step 2: Convert to fraction form
    556,206.66/834,311.34 = 156,849.53/x
  3. Step 3: Cross multiply
    556,206.66x = 834,311.34 × 156,849.53
  4. Step 4: Simplify right side
    556,206.66x = 130,861,337,381.11
  5. Step 5: Solve for x
    x = 130,861,337,381.11/556,206.66
  6. Step 6: Final answer
    x = 235,274.67

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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.