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Finding the Fourth Proportional to 543,516.40, 750,027.62 and 301,814.36

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Solution

The fourth proportional to 543,516.40, 750,027.62 and 301,814.36 is: 416,489.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,516.40 : 750,027.62 = 301,814.36 : x
  2. Step 2: Convert to fraction form
    543,516.40/750,027.62 = 301,814.36/x
  3. Step 3: Cross multiply
    543,516.40x = 750,027.62 × 301,814.36
  4. Step 4: Simplify right side
    543,516.40x = 226,369,106,112.62
  5. Step 5: Solve for x
    x = 226,369,106,112.62/543,516.40
  6. Step 6: Final answer
    x = 416,489.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.