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Finding the Fourth Proportional to 353,496.43, 530,237.47 and 87,259.25

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Solution

The fourth proportional to 353,496.43, 530,237.47 and 87,259.25 is: 130,887.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,496.43 : 530,237.47 = 87,259.25 : x
  2. Step 2: Convert to fraction form
    353,496.43/530,237.47 = 87,259.25/x
  3. Step 3: Cross multiply
    353,496.43x = 530,237.47 × 87,259.25
  4. Step 4: Simplify right side
    353,496.43x = 46,268,123,488.44
  5. Step 5: Solve for x
    x = 46,268,123,488.44/353,496.43
  6. Step 6: Final answer
    x = 130,887.10

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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.