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Finding the Fourth Proportional to 437,639.16, 656,541.09 and 301,437.12

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Solution

The fourth proportional to 437,639.16, 656,541.09 and 301,437.12 is: 452,212.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,639.16 : 656,541.09 = 301,437.12 : x
  2. Step 2: Convert to fraction form
    437,639.16/656,541.09 = 301,437.12/x
  3. Step 3: Cross multiply
    437,639.16x = 656,541.09 × 301,437.12
  4. Step 4: Simplify right side
    437,639.16x = 197,905,855,331.26
  5. Step 5: Solve for x
    x = 197,905,855,331.26/437,639.16
  6. Step 6: Final answer
    x = 452,212.40

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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.