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Finding the Fourth Proportional to 446,116.80, 615,641.97 and 242,167.88

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Solution

The fourth proportional to 446,116.80, 615,641.97 and 242,167.88 is: 334,192.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,116.80 : 615,641.97 = 242,167.88 : x
  2. Step 2: Convert to fraction form
    446,116.80/615,641.97 = 242,167.88/x
  3. Step 3: Cross multiply
    446,116.80x = 615,641.97 × 242,167.88
  4. Step 4: Simplify right side
    446,116.80x = 149,088,707,635.71
  5. Step 5: Solve for x
    x = 149,088,707,635.71/446,116.80
  6. Step 6: Final answer
    x = 334,192.09

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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.