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Finding the Fourth Proportional to 289,477.93, 399,501.71 and 182,139.97

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Solution

The fourth proportional to 289,477.93, 399,501.71 and 182,139.97 is: 251,367.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,477.93 : 399,501.71 = 182,139.97 : x
  2. Step 2: Convert to fraction form
    289,477.93/399,501.71 = 182,139.97/x
  3. Step 3: Cross multiply
    289,477.93x = 399,501.71 × 182,139.97
  4. Step 4: Simplify right side
    289,477.93x = 72,765,228,563.65
  5. Step 5: Solve for x
    x = 72,765,228,563.65/289,477.93
  6. Step 6: Final answer
    x = 251,367.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.