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Finding the Fourth Proportional to 528,083.40, 792,125.10 and 173,133.30

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Solution

The fourth proportional to 528,083.40, 792,125.10 and 173,133.30 is: 259,699.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,083.40 : 792,125.10 = 173,133.30 : x
  2. Step 2: Convert to fraction form
    528,083.40/792,125.10 = 173,133.30/x
  3. Step 3: Cross multiply
    528,083.40x = 792,125.10 × 173,133.30
  4. Step 4: Simplify right side
    528,083.40x = 137,143,232,575.83
  5. Step 5: Solve for x
    x = 137,143,232,575.83/528,083.40
  6. Step 6: Final answer
    x = 259,699.95

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Double scale
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Similar ratio
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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.