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Finding the Fourth Proportional to 570,541.82, 855,615.60 and 165,624.21

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Solution

The fourth proportional to 570,541.82, 855,615.60 and 165,624.21 is: 248,379.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,541.82 : 855,615.60 = 165,624.21 : x
  2. Step 2: Convert to fraction form
    570,541.82/855,615.60 = 165,624.21/x
  3. Step 3: Cross multiply
    570,541.82x = 855,615.60 × 165,624.21
  4. Step 4: Simplify right side
    570,541.82x = 141,710,657,813.68
  5. Step 5: Solve for x
    x = 141,710,657,813.68/570,541.82
  6. Step 6: Final answer
    x = 248,379.09

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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.