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Finding the Fourth Proportional to 361,887.68, 542,325.84 and 308,300.48

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Solution

The fourth proportional to 361,887.68, 542,325.84 and 308,300.48 is: 462,019.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,887.68 : 542,325.84 = 308,300.48 : x
  2. Step 2: Convert to fraction form
    361,887.68/542,325.84 = 308,300.48/x
  3. Step 3: Cross multiply
    361,887.68x = 542,325.84 × 308,300.48
  4. Step 4: Simplify right side
    361,887.68x = 167,199,316,788.40
  5. Step 5: Solve for x
    x = 167,199,316,788.40/361,887.68
  6. Step 6: Final answer
    x = 462,019.92

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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.