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Finding the Fourth Proportional to 503,640.30, 754,985.56 and 250,681.62

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Solution

The fourth proportional to 503,640.30, 754,985.56 and 250,681.62 is: 375,786.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,640.30 : 754,985.56 = 250,681.62 : x
  2. Step 2: Convert to fraction form
    503,640.30/754,985.56 = 250,681.62/x
  3. Step 3: Cross multiply
    503,640.30x = 754,985.56 × 250,681.62
  4. Step 4: Simplify right side
    503,640.30x = 189,261,003,257.41
  5. Step 5: Solve for x
    x = 189,261,003,257.41/503,640.30
  6. Step 6: Final answer
    x = 375,786.06

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Double scale
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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.