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Finding the Fourth Proportional to 461,167.54, 636,412.07 and 257,231.67

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Solution

The fourth proportional to 461,167.54, 636,412.07 and 257,231.67 is: 354,980.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,167.54 : 636,412.07 = 257,231.67 : x
  2. Step 2: Convert to fraction form
    461,167.54/636,412.07 = 257,231.67/x
  3. Step 3: Cross multiply
    461,167.54x = 636,412.07 × 257,231.67
  4. Step 4: Simplify right side
    461,167.54x = 163,705,340,130.30
  5. Step 5: Solve for x
    x = 163,705,340,130.30/461,167.54
  6. Step 6: Final answer
    x = 354,980.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.