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Finding the Fourth Proportional to 265,464.96, 366,700 and 212,124.16

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Solution

The fourth proportional to 265,464.96, 366,700 and 212,124.16 is: 293,017.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,464.96 : 366,700 = 212,124.16 : x
  2. Step 2: Convert to fraction form
    265,464.96/366,700 = 212,124.16/x
  3. Step 3: Cross multiply
    265,464.96x = 366,700 × 212,124.16
  4. Step 4: Simplify right side
    265,464.96x = 77,785,929,472
  5. Step 5: Solve for x
    x = 77,785,929,472/265,464.96
  6. Step 6: Final answer
    x = 293,017.69

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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.