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Finding the Fourth Proportional to 554,973.03, 832,122.43 and 217,609.49

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Solution

The fourth proportional to 554,973.03, 832,122.43 and 217,609.49 is: 326,282.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,973.03 : 832,122.43 = 217,609.49 : x
  2. Step 2: Convert to fraction form
    554,973.03/832,122.43 = 217,609.49/x
  3. Step 3: Cross multiply
    554,973.03x = 832,122.43 × 217,609.49
  4. Step 4: Simplify right side
    554,973.03x = 181,077,737,609.86
  5. Step 5: Solve for x
    x = 181,077,737,609.86/554,973.03
  6. Step 6: Final answer
    x = 326,282.05

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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.