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Finding the Fourth Proportional to 435,791.08, 601,417.38 and 328,171.24

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Solution

The fourth proportional to 435,791.08, 601,417.38 and 328,171.24 is: 452,895.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,791.08 : 601,417.38 = 328,171.24 : x
  2. Step 2: Convert to fraction form
    435,791.08/601,417.38 = 328,171.24/x
  3. Step 3: Cross multiply
    435,791.08x = 601,417.38 × 328,171.24
  4. Step 4: Simplify right side
    435,791.08x = 197,367,887,352.15
  5. Step 5: Solve for x
    x = 197,367,887,352.15/435,791.08
  6. Step 6: Final answer
    x = 452,895.66

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1.5x scale

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.