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Finding the Fourth Proportional to 553,584.11, 827,342.64 and 404,139.11

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Solution

The fourth proportional to 553,584.11, 827,342.64 and 404,139.11 is: 603,994.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,584.11 : 827,342.64 = 404,139.11 : x
  2. Step 2: Convert to fraction form
    553,584.11/827,342.64 = 404,139.11/x
  3. Step 3: Cross multiply
    553,584.11x = 827,342.64 × 404,139.11
  4. Step 4: Simplify right side
    553,584.11x = 334,361,514,057.94
  5. Step 5: Solve for x
    x = 334,361,514,057.94/553,584.11
  6. Step 6: Final answer
    x = 603,994.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.