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Finding the Fourth Proportional to 651,832.40, 977,165.40 and 252,340.40

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Solution

The fourth proportional to 651,832.40, 977,165.40 and 252,340.40 is: 378,284.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,832.40 : 977,165.40 = 252,340.40 : x
  2. Step 2: Convert to fraction form
    651,832.40/977,165.40 = 252,340.40/x
  3. Step 3: Cross multiply
    651,832.40x = 977,165.40 × 252,340.40
  4. Step 4: Simplify right side
    651,832.40x = 246,578,307,902.16
  5. Step 5: Solve for x
    x = 246,578,307,902.16/651,832.40
  6. Step 6: Final answer
    x = 378,284.83

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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.