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Finding the Fourth Proportional to 503,160.30, 754,740.45 and 187,576.20

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Solution

The fourth proportional to 503,160.30, 754,740.45 and 187,576.20 is: 281,364.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,160.30 : 754,740.45 = 187,576.20 : x
  2. Step 2: Convert to fraction form
    503,160.30/754,740.45 = 187,576.20/x
  3. Step 3: Cross multiply
    503,160.30x = 754,740.45 × 187,576.20
  4. Step 4: Simplify right side
    503,160.30x = 141,571,345,597.29
  5. Step 5: Solve for x
    x = 141,571,345,597.29/503,160.30
  6. Step 6: Final answer
    x = 281,364.30

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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.