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Finding the Fourth Proportional to 528,515.53, 792,771.06 and 191,477.16

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Solution

The fourth proportional to 528,515.53, 792,771.06 and 191,477.16 is: 287,214.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,515.53 : 792,771.06 = 191,477.16 : x
  2. Step 2: Convert to fraction form
    528,515.53/792,771.06 = 191,477.16/x
  3. Step 3: Cross multiply
    528,515.53x = 792,771.06 × 191,477.16
  4. Step 4: Simplify right side
    528,515.53x = 151,797,551,098.99
  5. Step 5: Solve for x
    x = 151,797,551,098.99/528,515.53
  6. Step 6: Final answer
    x = 287,214.93

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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.