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Finding the Fourth Proportional to 294,054.67, 441,029.13 and 77,914.90

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Solution

The fourth proportional to 294,054.67, 441,029.13 and 77,914.90 is: 116,858.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,054.67 : 441,029.13 = 77,914.90 : x
  2. Step 2: Convert to fraction form
    294,054.67/441,029.13 = 77,914.90/x
  3. Step 3: Cross multiply
    294,054.67x = 441,029.13 × 77,914.90
  4. Step 4: Simplify right side
    294,054.67x = 34,362,740,561.04
  5. Step 5: Solve for x
    x = 34,362,740,561.04/294,054.67
  6. Step 6: Final answer
    x = 116,858.34

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1.5x scale

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.