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Finding the Fourth Proportional to 344,304.64, 516,486.72 and 94,986.64

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Solution

The fourth proportional to 344,304.64, 516,486.72 and 94,986.64 is: 142,488.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,304.64 : 516,486.72 = 94,986.64 : x
  2. Step 2: Convert to fraction form
    344,304.64/516,486.72 = 94,986.64/x
  3. Step 3: Cross multiply
    344,304.64x = 516,486.72 × 94,986.64
  4. Step 4: Simplify right side
    344,304.64x = 49,059,338,137.42
  5. Step 5: Solve for x
    x = 49,059,338,137.42/344,304.64
  6. Step 6: Final answer
    x = 142,488.17

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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.