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Finding the Fourth Proportional to 440,886.78, 608,455.26 and 254,674.26

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Solution

The fourth proportional to 440,886.78, 608,455.26 and 254,674.26 is: 351,468.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,886.78 : 608,455.26 = 254,674.26 : x
  2. Step 2: Convert to fraction form
    440,886.78/608,455.26 = 254,674.26/x
  3. Step 3: Cross multiply
    440,886.78x = 608,455.26 × 254,674.26
  4. Step 4: Simplify right side
    440,886.78x = 154,957,893,083.61
  5. Step 5: Solve for x
    x = 154,957,893,083.61/440,886.78
  6. Step 6: Final answer
    x = 351,468.68

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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.