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Finding the Fourth Proportional to 423,875.44, 635,813.40 and 108,332.64

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Solution

The fourth proportional to 423,875.44, 635,813.40 and 108,332.64 is: 162,499.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,875.44 : 635,813.40 = 108,332.64 : x
  2. Step 2: Convert to fraction form
    423,875.44/635,813.40 = 108,332.64/x
  3. Step 3: Cross multiply
    423,875.44x = 635,813.40 × 108,332.64
  4. Step 4: Simplify right side
    423,875.44x = 68,879,344,169.38
  5. Step 5: Solve for x
    x = 68,879,344,169.38/423,875.44
  6. Step 6: Final answer
    x = 162,499.02

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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.