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Finding the Fourth Proportional to 494,872.30, 742,308.45 and 246,040.30

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Solution

The fourth proportional to 494,872.30, 742,308.45 and 246,040.30 is: 369,060.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,872.30 : 742,308.45 = 246,040.30 : x
  2. Step 2: Convert to fraction form
    494,872.30/742,308.45 = 246,040.30/x
  3. Step 3: Cross multiply
    494,872.30x = 742,308.45 × 246,040.30
  4. Step 4: Simplify right side
    494,872.30x = 182,637,793,730.54
  5. Step 5: Solve for x
    x = 182,637,793,730.54/494,872.30
  6. Step 6: Final answer
    x = 369,060.45

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Half scale
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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.