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Finding the Fourth Proportional to 415,784.53, 573,930.12 and 246,018.25

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Solution

The fourth proportional to 415,784.53, 573,930.12 and 246,018.25 is: 339,592.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,784.53 : 573,930.12 = 246,018.25 : x
  2. Step 2: Convert to fraction form
    415,784.53/573,930.12 = 246,018.25/x
  3. Step 3: Cross multiply
    415,784.53x = 573,930.12 × 246,018.25
  4. Step 4: Simplify right side
    415,784.53x = 141,197,283,744.69
  5. Step 5: Solve for x
    x = 141,197,283,744.69/415,784.53
  6. Step 6: Final answer
    x = 339,592.44

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Double scale
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Similar ratio
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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.