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Finding the Fourth Proportional to 296,314.80, 444,472.20 and 74,698.80

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Solution

The fourth proportional to 296,314.80, 444,472.20 and 74,698.80 is: 112,048.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,314.80 : 444,472.20 = 74,698.80 : x
  2. Step 2: Convert to fraction form
    296,314.80/444,472.20 = 74,698.80/x
  3. Step 3: Cross multiply
    296,314.80x = 444,472.20 × 74,698.80
  4. Step 4: Simplify right side
    296,314.80x = 33,201,539,973.36
  5. Step 5: Solve for x
    x = 33,201,539,973.36/296,314.80
  6. Step 6: Final answer
    x = 112,048.20

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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.