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Finding the Fourth Proportional to 504,010.70, 756,016.05 and 130,033.70

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Solution

The fourth proportional to 504,010.70, 756,016.05 and 130,033.70 is: 195,050.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,010.70 : 756,016.05 = 130,033.70 : x
  2. Step 2: Convert to fraction form
    504,010.70/756,016.05 = 130,033.70/x
  3. Step 3: Cross multiply
    504,010.70x = 756,016.05 × 130,033.70
  4. Step 4: Simplify right side
    504,010.70x = 98,307,564,240.89
  5. Step 5: Solve for x
    x = 98,307,564,240.89/504,010.70
  6. Step 6: Final answer
    x = 195,050.55

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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.