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Finding the Fourth Proportional to 528,513.53, 792,768.06 and 191,475.16

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Solution

The fourth proportional to 528,513.53, 792,768.06 and 191,475.16 is: 287,211.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,513.53 : 792,768.06 = 191,475.16 : x
  2. Step 2: Convert to fraction form
    528,513.53/792,768.06 = 191,475.16/x
  3. Step 3: Cross multiply
    528,513.53x = 792,768.06 × 191,475.16
  4. Step 4: Simplify right side
    528,513.53x = 151,795,389,149.47
  5. Step 5: Solve for x
    x = 151,795,389,149.47/528,513.53
  6. Step 6: Final answer
    x = 287,211.93

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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.