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Finding the Fourth Proportional to 424,599.45, 585,880.53 and 243,276.50

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Solution

The fourth proportional to 424,599.45, 585,880.53 and 243,276.50 is: 335,683.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,599.45 : 585,880.53 = 243,276.50 : x
  2. Step 2: Convert to fraction form
    424,599.45/585,880.53 = 243,276.50/x
  3. Step 3: Cross multiply
    424,599.45x = 585,880.53 × 243,276.50
  4. Step 4: Simplify right side
    424,599.45x = 142,530,961,827.14
  5. Step 5: Solve for x
    x = 142,530,961,827.14/424,599.45
  6. Step 6: Final answer
    x = 335,683.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.