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Finding the Fourth Proportional to 504,010.45, 756,015.68 and 130,033.45

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Solution

The fourth proportional to 504,010.45, 756,015.68 and 130,033.45 is: 195,050.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,010.45 : 756,015.68 = 130,033.45 : x
  2. Step 2: Convert to fraction form
    504,010.45/756,015.68 = 130,033.45/x
  3. Step 3: Cross multiply
    504,010.45x = 756,015.68 × 130,033.45
  4. Step 4: Simplify right side
    504,010.45x = 98,307,326,474.33
  5. Step 5: Solve for x
    x = 98,307,326,474.33/504,010.45
  6. Step 6: Final answer
    x = 195,050.18

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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.