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Finding the Fourth Proportional to 528,047.32, 792,153.60 and 191,052.49

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Solution

The fourth proportional to 528,047.32, 792,153.60 and 191,052.49 is: 286,608.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,047.32 : 792,153.60 = 191,052.49 : x
  2. Step 2: Convert to fraction form
    528,047.32/792,153.60 = 191,052.49/x
  3. Step 3: Cross multiply
    528,047.32x = 792,153.60 × 191,052.49
  4. Step 4: Simplify right side
    528,047.32x = 151,342,917,742.46
  5. Step 5: Solve for x
    x = 151,342,917,742.46/528,047.32
  6. Step 6: Final answer
    x = 286,608.63

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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.