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Finding the Fourth Proportional to 492,536.84, 738,847.19 and 155,487.34

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Solution

The fourth proportional to 492,536.84, 738,847.19 and 155,487.34 is: 233,244.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,536.84 : 738,847.19 = 155,487.34 : x
  2. Step 2: Convert to fraction form
    492,536.84/738,847.19 = 155,487.34/x
  3. Step 3: Cross multiply
    492,536.84x = 738,847.19 × 155,487.34
  4. Step 4: Simplify right side
    492,536.84x = 114,881,381,615.02
  5. Step 5: Solve for x
    x = 114,881,381,615.02/492,536.84
  6. Step 6: Final answer
    x = 233,244.24

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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.