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Finding the Fourth Proportional to 452,848.30, 679,272.45 and 242,896.30

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Solution

The fourth proportional to 452,848.30, 679,272.45 and 242,896.30 is: 364,344.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,848.30 : 679,272.45 = 242,896.30 : x
  2. Step 2: Convert to fraction form
    452,848.30/679,272.45 = 242,896.30/x
  3. Step 3: Cross multiply
    452,848.30x = 679,272.45 × 242,896.30
  4. Step 4: Simplify right side
    452,848.30x = 164,992,764,796.94
  5. Step 5: Solve for x
    x = 164,992,764,796.94/452,848.30
  6. Step 6: Final answer
    x = 364,344.45

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.