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Finding the Fourth Proportional to 528,034.40, 792,051.60 and 154,057.40

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Solution

The fourth proportional to 528,034.40, 792,051.60 and 154,057.40 is: 231,086.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,034.40 : 792,051.60 = 154,057.40 : x
  2. Step 2: Convert to fraction form
    528,034.40/792,051.60 = 154,057.40/x
  3. Step 3: Cross multiply
    528,034.40x = 792,051.60 × 154,057.40
  4. Step 4: Simplify right side
    528,034.40x = 122,021,410,161.84
  5. Step 5: Solve for x
    x = 122,021,410,161.84/528,034.40
  6. Step 6: Final answer
    x = 231,086.10

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Similar ratio
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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.