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Finding the Fourth Proportional to 294,286.90, 441,434.40 and 83,924.86

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Solution

The fourth proportional to 294,286.90, 441,434.40 and 83,924.86 is: 125,888.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,286.90 : 441,434.40 = 83,924.86 : x
  2. Step 2: Convert to fraction form
    294,286.90/441,434.40 = 83,924.86/x
  3. Step 3: Cross multiply
    294,286.90x = 441,434.40 × 83,924.86
  4. Step 4: Simplify right side
    294,286.90x = 37,047,320,219.18
  5. Step 5: Solve for x
    x = 37,047,320,219.18/294,286.90
  6. Step 6: Final answer
    x = 125,888.44

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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.