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Finding the Fourth Proportional to 482,530.14, 665,455.59 and 301,258.62

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Solution

The fourth proportional to 482,530.14, 665,455.59 and 301,258.62 is: 415,464.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,530.14 : 665,455.59 = 301,258.62 : x
  2. Step 2: Convert to fraction form
    482,530.14/665,455.59 = 301,258.62/x
  3. Step 3: Cross multiply
    482,530.14x = 665,455.59 × 301,258.62
  4. Step 4: Simplify right side
    482,530.14x = 200,474,232,714.69
  5. Step 5: Solve for x
    x = 200,474,232,714.69/482,530.14
  6. Step 6: Final answer
    x = 415,464.69

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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.