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Finding the Fourth Proportional to 346,268.54, 519,600.12 and 276,590.72

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Solution

The fourth proportional to 346,268.54, 519,600.12 and 276,590.72 is: 415,043.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,268.54 : 519,600.12 = 276,590.72 : x
  2. Step 2: Convert to fraction form
    346,268.54/519,600.12 = 276,590.72/x
  3. Step 3: Cross multiply
    346,268.54x = 519,600.12 × 276,590.72
  4. Step 4: Simplify right side
    346,268.54x = 143,716,571,302.89
  5. Step 5: Solve for x
    x = 143,716,571,302.89/346,268.54
  6. Step 6: Final answer
    x = 415,043.69

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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.