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Finding the Fourth Proportional to 506,368.92, 759,318.48 and 186,439.44

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Solution

The fourth proportional to 506,368.92, 759,318.48 and 186,439.44 is: 279,572.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,368.92 : 759,318.48 = 186,439.44 : x
  2. Step 2: Convert to fraction form
    506,368.92/759,318.48 = 186,439.44/x
  3. Step 3: Cross multiply
    506,368.92x = 759,318.48 × 186,439.44
  4. Step 4: Simplify right side
    506,368.92x = 141,566,912,192.85
  5. Step 5: Solve for x
    x = 141,566,912,192.85/506,368.92
  6. Step 6: Final answer
    x = 279,572.67

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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.