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Finding the Fourth Proportional to 294,925.19, 442,389.40 and 73,309.19

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Solution

The fourth proportional to 294,925.19, 442,389.40 and 73,309.19 is: 109,964.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,925.19 : 442,389.40 = 73,309.19 : x
  2. Step 2: Convert to fraction form
    294,925.19/442,389.40 = 73,309.19/x
  3. Step 3: Cross multiply
    294,925.19x = 442,389.40 × 73,309.19
  4. Step 4: Simplify right side
    294,925.19x = 32,431,208,578.59
  5. Step 5: Solve for x
    x = 32,431,208,578.59/294,925.19
  6. Step 6: Final answer
    x = 109,964.19

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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.