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Finding the Fourth Proportional to 528,396, 792,427.62 and 173,327.52

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Solution

The fourth proportional to 528,396, 792,427.62 and 173,327.52 is: 259,936.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,396 : 792,427.62 = 173,327.52 : x
  2. Step 2: Convert to fraction form
    528,396/792,427.62 = 173,327.52/x
  3. Step 3: Cross multiply
    528,396x = 792,427.62 × 173,327.52
  4. Step 4: Simplify right side
    528,396x = 137,349,514,154.10
  5. Step 5: Solve for x
    x = 137,349,514,154.10/528,396
  6. Step 6: Final answer
    x = 259,936.70

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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.