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Finding the Fourth Proportional to 333,268.48, 459,493.32 and 278,156.92

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Solution

The fourth proportional to 333,268.48, 459,493.32 and 278,156.92 is: 383,508.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,268.48 : 459,493.32 = 278,156.92 : x
  2. Step 2: Convert to fraction form
    333,268.48/459,493.32 = 278,156.92/x
  3. Step 3: Cross multiply
    333,268.48x = 459,493.32 × 278,156.92
  4. Step 4: Simplify right side
    333,268.48x = 127,811,246,651.77
  5. Step 5: Solve for x
    x = 127,811,246,651.77/333,268.48
  6. Step 6: Final answer
    x = 383,508.36

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1.5x scale

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.