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Finding the Fourth Proportional to 528,326.52, 792,323.44 and 173,258

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Solution

The fourth proportional to 528,326.52, 792,323.44 and 173,258 is: 259,832.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,326.52 : 792,323.44 = 173,258 : x
  2. Step 2: Convert to fraction form
    528,326.52/792,323.44 = 173,258/x
  3. Step 3: Cross multiply
    528,326.52x = 792,323.44 × 173,258
  4. Step 4: Simplify right side
    528,326.52x = 137,276,374,567.52
  5. Step 5: Solve for x
    x = 137,276,374,567.52/528,326.52
  6. Step 6: Final answer
    x = 259,832.45

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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.