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Finding the Fourth Proportional to 553,179.51, 829,244.39 and 198,010.71

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Solution

The fourth proportional to 553,179.51, 829,244.39 and 198,010.71 is: 296,828.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,179.51 : 829,244.39 = 198,010.71 : x
  2. Step 2: Convert to fraction form
    553,179.51/829,244.39 = 198,010.71/x
  3. Step 3: Cross multiply
    553,179.51x = 829,244.39 × 198,010.71
  4. Step 4: Simplify right side
    553,179.51x = 164,199,269,437.36
  5. Step 5: Solve for x
    x = 164,199,269,437.36/553,179.51
  6. Step 6: Final answer
    x = 296,828.18

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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.