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Finding the Fourth Proportional to 294,283.90, 441,429.90 and 83,921.86

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Solution

The fourth proportional to 294,283.90, 441,429.90 and 83,921.86 is: 125,883.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,283.90 : 441,429.90 = 83,921.86 : x
  2. Step 2: Convert to fraction form
    294,283.90/441,429.90 = 83,921.86/x
  3. Step 3: Cross multiply
    294,283.90x = 441,429.90 × 83,921.86
  4. Step 4: Simplify right side
    294,283.90x = 37,045,618,267.61
  5. Step 5: Solve for x
    x = 37,045,618,267.61/294,283.90
  6. Step 6: Final answer
    x = 125,883.94

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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.