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Finding the Fourth Proportional to 417,465.95, 576,103.21 and 226,479.29

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Solution

The fourth proportional to 417,465.95, 576,103.21 and 226,479.29 is: 312,541.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,465.95 : 576,103.21 = 226,479.29 : x
  2. Step 2: Convert to fraction form
    417,465.95/576,103.21 = 226,479.29/x
  3. Step 3: Cross multiply
    417,465.95x = 576,103.21 × 226,479.29
  4. Step 4: Simplify right side
    417,465.95x = 130,475,442,520.81
  5. Step 5: Solve for x
    x = 130,475,442,520.81/417,465.95
  6. Step 6: Final answer
    x = 312,541.52

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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.