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Finding the Fourth Proportional to 264,978.15, 396,802.53 and 158,296.29

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Solution

The fourth proportional to 264,978.15, 396,802.53 and 158,296.29 is: 237,047.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,978.15 : 396,802.53 = 158,296.29 : x
  2. Step 2: Convert to fraction form
    264,978.15/396,802.53 = 158,296.29/x
  3. Step 3: Cross multiply
    264,978.15x = 396,802.53 × 158,296.29
  4. Step 4: Simplify right side
    264,978.15x = 62,812,368,361.61
  5. Step 5: Solve for x
    x = 62,812,368,361.61/264,978.15
  6. Step 6: Final answer
    x = 237,047.35

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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.