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Finding the Fourth Proportional to 377,228.30, 565,912.40 and 124,526.39

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Solution

The fourth proportional to 377,228.30, 565,912.40 and 124,526.39 is: 186,812.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,228.30 : 565,912.40 = 124,526.39 : x
  2. Step 2: Convert to fraction form
    377,228.30/565,912.40 = 124,526.39/x
  3. Step 3: Cross multiply
    377,228.30x = 565,912.40 × 124,526.39
  4. Step 4: Simplify right side
    377,228.30x = 70,471,024,776.04
  5. Step 5: Solve for x
    x = 70,471,024,776.04/377,228.30
  6. Step 6: Final answer
    x = 186,812.67

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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.