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Finding the Fourth Proportional to 296,298.80, 444,448.20 and 74,682.80

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Solution

The fourth proportional to 296,298.80, 444,448.20 and 74,682.80 is: 112,024.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,298.80 : 444,448.20 = 74,682.80 : x
  2. Step 2: Convert to fraction form
    296,298.80/444,448.20 = 74,682.80/x
  3. Step 3: Cross multiply
    296,298.80x = 444,448.20 × 74,682.80
  4. Step 4: Simplify right side
    296,298.80x = 33,192,636,030.96
  5. Step 5: Solve for x
    x = 33,192,636,030.96/296,298.80
  6. Step 6: Final answer
    x = 112,024.20

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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.