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Finding the Fourth Proportional to 528,418.88, 792,461.81 and 173,350.16

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Solution

The fourth proportional to 528,418.88, 792,461.81 and 173,350.16 is: 259,970.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,418.88 : 792,461.81 = 173,350.16 : x
  2. Step 2: Convert to fraction form
    528,418.88/792,461.81 = 173,350.16/x
  3. Step 3: Cross multiply
    528,418.88x = 792,461.81 × 173,350.16
  4. Step 4: Simplify right side
    528,418.88x = 137,373,381,557.39
  5. Step 5: Solve for x
    x = 137,373,381,557.39/528,418.88
  6. Step 6: Final answer
    x = 259,970.62

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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.