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Finding the Fourth Proportional to 557,098.20, 835,550.10 and 201,929.40

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Solution

The fourth proportional to 557,098.20, 835,550.10 and 201,929.40 is: 302,858.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,098.20 : 835,550.10 = 201,929.40 : x
  2. Step 2: Convert to fraction form
    557,098.20/835,550.10 = 201,929.40/x
  3. Step 3: Cross multiply
    557,098.20x = 835,550.10 × 201,929.40
  4. Step 4: Simplify right side
    557,098.20x = 168,722,130,362.94
  5. Step 5: Solve for x
    x = 168,722,130,362.94/557,098.20
  6. Step 6: Final answer
    x = 302,858.87

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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.