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Finding the Fourth Proportional to 503,190.84, 754,761.60 and 187,623.06

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Solution

The fourth proportional to 503,190.84, 754,761.60 and 187,623.06 is: 281,425.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,190.84 : 754,761.60 = 187,623.06 : x
  2. Step 2: Convert to fraction form
    503,190.84/754,761.60 = 187,623.06/x
  3. Step 3: Cross multiply
    503,190.84x = 754,761.60 × 187,623.06
  4. Step 4: Simplify right side
    503,190.84x = 141,610,680,962.50
  5. Step 5: Solve for x
    x = 141,610,680,962.50/503,190.84
  6. Step 6: Final answer
    x = 281,425.40

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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.