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Finding the Fourth Proportional to 541,102.40, 811,653.60 and 245,614.40

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Solution

The fourth proportional to 541,102.40, 811,653.60 and 245,614.40 is: 368,421.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,102.40 : 811,653.60 = 245,614.40 : x
  2. Step 2: Convert to fraction form
    541,102.40/811,653.60 = 245,614.40/x
  3. Step 3: Cross multiply
    541,102.40x = 811,653.60 × 245,614.40
  4. Step 4: Simplify right side
    541,102.40x = 199,353,811,971.84
  5. Step 5: Solve for x
    x = 199,353,811,971.84/541,102.40
  6. Step 6: Final answer
    x = 368,421.60

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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.