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Finding the Fourth Proportional to 554,972.95, 832,122.32 and 217,609.41

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Solution

The fourth proportional to 554,972.95, 832,122.32 and 217,609.41 is: 326,281.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,972.95 : 832,122.32 = 217,609.41 : x
  2. Step 2: Convert to fraction form
    554,972.95/832,122.32 = 217,609.41/x
  3. Step 3: Cross multiply
    554,972.95x = 832,122.32 × 217,609.41
  4. Step 4: Simplify right side
    554,972.95x = 181,077,646,014.98
  5. Step 5: Solve for x
    x = 181,077,646,014.98/554,972.95
  6. Step 6: Final answer
    x = 326,281.93

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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.