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Finding the Fourth Proportional to 570,255.13, 855,349.48 and 149,530.87

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Solution

The fourth proportional to 570,255.13, 855,349.48 and 149,530.87 is: 224,287.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,255.13 : 855,349.48 = 149,530.87 : x
  2. Step 2: Convert to fraction form
    570,255.13/855,349.48 = 149,530.87/x
  3. Step 3: Cross multiply
    570,255.13x = 855,349.48 × 149,530.87
  4. Step 4: Simplify right side
    570,255.13x = 127,901,146,874.05
  5. Step 5: Solve for x
    x = 127,901,146,874.05/570,255.13
  6. Step 6: Final answer
    x = 224,287.59

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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.