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Finding the Fourth Proportional to 437,510.10, 656,265.15 and 400,112.40

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Solution

The fourth proportional to 437,510.10, 656,265.15 and 400,112.40 is: 600,168.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,510.10 : 656,265.15 = 400,112.40 : x
  2. Step 2: Convert to fraction form
    437,510.10/656,265.15 = 400,112.40/x
  3. Step 3: Cross multiply
    437,510.10x = 656,265.15 × 400,112.40
  4. Step 4: Simplify right side
    437,510.10x = 262,579,824,202.86
  5. Step 5: Solve for x
    x = 262,579,824,202.86/437,510.10
  6. Step 6: Final answer
    x = 600,168.60

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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.