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Finding the Fourth Proportional to 504,034.10, 756,051.15 and 188,425.70

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Solution

The fourth proportional to 504,034.10, 756,051.15 and 188,425.70 is: 282,638.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,034.10 : 756,051.15 = 188,425.70 : x
  2. Step 2: Convert to fraction form
    504,034.10/756,051.15 = 188,425.70/x
  3. Step 3: Cross multiply
    504,034.10x = 756,051.15 × 188,425.70
  4. Step 4: Simplify right side
    504,034.10x = 142,459,467,174.56
  5. Step 5: Solve for x
    x = 142,459,467,174.56/504,034.10
  6. Step 6: Final answer
    x = 282,638.55

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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.