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Finding the Fourth Proportional to 344,332.64, 516,479.48 and 107,647.40

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Solution

The fourth proportional to 344,332.64, 516,479.48 and 107,647.40 is: 161,465.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,332.64 : 516,479.48 = 107,647.40 : x
  2. Step 2: Convert to fraction form
    344,332.64/516,479.48 = 107,647.40/x
  3. Step 3: Cross multiply
    344,332.64x = 516,479.48 × 107,647.40
  4. Step 4: Simplify right side
    344,332.64x = 55,597,673,175.35
  5. Step 5: Solve for x
    x = 55,597,673,175.35/344,332.64
  6. Step 6: Final answer
    x = 161,465.01

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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.