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Finding the Fourth Proportional to 492,396.93, 738,595.53 and 155,471.67

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Solution

The fourth proportional to 492,396.93, 738,595.53 and 155,471.67 is: 233,207.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,396.93 : 738,595.53 = 155,471.67 : x
  2. Step 2: Convert to fraction form
    492,396.93/738,595.53 = 155,471.67/x
  3. Step 3: Cross multiply
    492,396.93x = 738,595.53 × 155,471.67
  4. Step 4: Simplify right side
    492,396.93x = 114,830,680,503.64
  5. Step 5: Solve for x
    x = 114,830,680,503.64/492,396.93
  6. Step 6: Final answer
    x = 233,207.55

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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.