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Finding the Fourth Proportional to 446,155, 615,703.62 and 244,951

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Solution

The fourth proportional to 446,155, 615,703.62 and 244,951 is: 338,037.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,155 : 615,703.62 = 244,951 : x
  2. Step 2: Convert to fraction form
    446,155/615,703.62 = 244,951/x
  3. Step 3: Cross multiply
    446,155x = 615,703.62 × 244,951
  4. Step 4: Simplify right side
    446,155x = 150,817,217,422.62
  5. Step 5: Solve for x
    x = 150,817,217,422.62/446,155
  6. Step 6: Final answer
    x = 338,037.72

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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.