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Finding the Fourth Proportional to 482,532.64, 665,459.04 and 301,261.12

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Solution

The fourth proportional to 482,532.64, 665,459.04 and 301,261.12 is: 415,468.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,532.64 : 665,459.04 = 301,261.12 : x
  2. Step 2: Convert to fraction form
    482,532.64/665,459.04 = 301,261.12/x
  3. Step 3: Cross multiply
    482,532.64x = 665,459.04 × 301,261.12
  4. Step 4: Simplify right side
    482,532.64x = 200,476,935,704.53
  5. Step 5: Solve for x
    x = 200,476,935,704.53/482,532.64
  6. Step 6: Final answer
    x = 415,468.13

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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.