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Finding the Fourth Proportional to 556,239.80, 832,074.59 and 444,138.98

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Solution

The fourth proportional to 556,239.80, 832,074.59 and 444,138.98 is: 664,383.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,239.80 : 832,074.59 = 444,138.98 : x
  2. Step 2: Convert to fraction form
    556,239.80/832,074.59 = 444,138.98/x
  3. Step 3: Cross multiply
    556,239.80x = 832,074.59 × 444,138.98
  4. Step 4: Simplify right side
    556,239.80x = 369,556,756,636.49
  5. Step 5: Solve for x
    x = 369,556,756,636.49/556,239.80
  6. Step 6: Final answer
    x = 664,383.88

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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.