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Finding the Fourth Proportional to 400,005.04, 600,302.84 and 189,643.76

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Solution

The fourth proportional to 400,005.04, 600,302.84 and 189,643.76 is: 284,605.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,005.04 : 600,302.84 = 189,643.76 : x
  2. Step 2: Convert to fraction form
    400,005.04/600,302.84 = 189,643.76/x
  3. Step 3: Cross multiply
    400,005.04x = 600,302.84 × 189,643.76
  4. Step 4: Simplify right side
    400,005.04x = 113,843,687,716.28
  5. Step 5: Solve for x
    x = 113,843,687,716.28/400,005.04
  6. Step 6: Final answer
    x = 284,605.63

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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.