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Finding the Fourth Proportional to 446,204.76, 615,767.16 and 242,257.56

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Solution

The fourth proportional to 446,204.76, 615,767.16 and 242,257.56 is: 334,317.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,204.76 : 615,767.16 = 242,257.56 : x
  2. Step 2: Convert to fraction form
    446,204.76/615,767.16 = 242,257.56/x
  3. Step 3: Cross multiply
    446,204.76x = 615,767.16 × 242,257.56
  4. Step 4: Simplify right side
    446,204.76x = 149,174,249,709.73
  5. Step 5: Solve for x
    x = 149,174,249,709.73/446,204.76
  6. Step 6: Final answer
    x = 334,317.93

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Half scale
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Double scale
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1.5x scale

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.