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Finding the Fourth Proportional to 553,893.33, 830,507.25 and 216,532.17

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Solution

The fourth proportional to 553,893.33, 830,507.25 and 216,532.17 is: 324,668.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,893.33 : 830,507.25 = 216,532.17 : x
  2. Step 2: Convert to fraction form
    553,893.33/830,507.25 = 216,532.17/x
  3. Step 3: Cross multiply
    553,893.33x = 830,507.25 × 216,532.17
  4. Step 4: Simplify right side
    553,893.33x = 179,831,537,043.23
  5. Step 5: Solve for x
    x = 179,831,537,043.23/553,893.33
  6. Step 6: Final answer
    x = 324,668.18

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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.