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Finding the Fourth Proportional to 555,064.25, 832,594.75 and 217,868.94

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Solution

The fourth proportional to 555,064.25, 832,594.75 and 217,868.94 is: 326,802.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,064.25 : 832,594.75 = 217,868.94 : x
  2. Step 2: Convert to fraction form
    555,064.25/832,594.75 = 217,868.94/x
  3. Step 3: Cross multiply
    555,064.25x = 832,594.75 × 217,868.94
  4. Step 4: Simplify right side
    555,064.25x = 181,396,535,087.39
  5. Step 5: Solve for x
    x = 181,396,535,087.39/555,064.25
  6. Step 6: Final answer
    x = 326,802.77

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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.