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Finding the Fourth Proportional to 528,083.60, 792,125.40 and 173,109.20

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Solution

The fourth proportional to 528,083.60, 792,125.40 and 173,109.20 is: 259,663.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,083.60 : 792,125.40 = 173,109.20 : x
  2. Step 2: Convert to fraction form
    528,083.60/792,125.40 = 173,109.20/x
  3. Step 3: Cross multiply
    528,083.60x = 792,125.40 × 173,109.20
  4. Step 4: Simplify right side
    528,083.60x = 137,124,194,293.68
  5. Step 5: Solve for x
    x = 137,124,194,293.68/528,083.60
  6. Step 6: Final answer
    x = 259,663.80

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1.5x scale

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.