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Finding the Fourth Proportional to 528,083.15, 792,124.73 and 291,887.15

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Solution

The fourth proportional to 528,083.15, 792,124.73 and 291,887.15 is: 437,830.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,083.15 : 792,124.73 = 291,887.15 : x
  2. Step 2: Convert to fraction form
    528,083.15/792,124.73 = 291,887.15/x
  3. Step 3: Cross multiply
    528,083.15x = 792,124.73 × 291,887.15
  4. Step 4: Simplify right side
    528,083.15x = 231,211,029,884.22
  5. Step 5: Solve for x
    x = 231,211,029,884.22/528,083.15
  6. Step 6: Final answer
    x = 437,830.73

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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.