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Finding the Fourth Proportional to 528,759.86, 792,177.51 and 472,072.82

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Solution

The fourth proportional to 528,759.86, 792,177.51 and 472,072.82 is: 707,250.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,759.86 : 792,177.51 = 472,072.82 : x
  2. Step 2: Convert to fraction form
    528,759.86/792,177.51 = 472,072.82/x
  3. Step 3: Cross multiply
    528,759.86x = 792,177.51 × 472,072.82
  4. Step 4: Simplify right side
    528,759.86x = 373,965,474,837.00
  5. Step 5: Solve for x
    x = 373,965,474,837.00/528,759.86
  6. Step 6: Final answer
    x = 707,250.12

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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.