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Finding the Fourth Proportional to 557,106.36, 835,339.02 and 297,123.22

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Solution

The fourth proportional to 557,106.36, 835,339.02 and 297,123.22 is: 445,513.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,106.36 : 835,339.02 = 297,123.22 : x
  2. Step 2: Convert to fraction form
    557,106.36/835,339.02 = 297,123.22/x
  3. Step 3: Cross multiply
    557,106.36x = 835,339.02 × 297,123.22
  4. Step 4: Simplify right side
    557,106.36x = 248,198,619,414.04
  5. Step 5: Solve for x
    x = 248,198,619,414.04/557,106.36
  6. Step 6: Final answer
    x = 445,513.89

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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.