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Finding the Fourth Proportional to 528,083.20, 792,124.80 and 173,133.10

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Solution

The fourth proportional to 528,083.20, 792,124.80 and 173,133.10 is: 259,699.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,083.20 : 792,124.80 = 173,133.10 : x
  2. Step 2: Convert to fraction form
    528,083.20/792,124.80 = 173,133.10/x
  3. Step 3: Cross multiply
    528,083.20x = 792,124.80 × 173,133.10
  4. Step 4: Simplify right side
    528,083.20x = 137,143,022,210.88
  5. Step 5: Solve for x
    x = 137,143,022,210.88/528,083.20
  6. Step 6: Final answer
    x = 259,699.65

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Similar ratio
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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.