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Finding the Fourth Proportional to 553,952.04, 830,927.79 and 133,227.78

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Solution

The fourth proportional to 553,952.04, 830,927.79 and 133,227.78 is: 199,841.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,952.04 : 830,927.79 = 133,227.78 : x
  2. Step 2: Convert to fraction form
    553,952.04/830,927.79 = 133,227.78/x
  3. Step 3: Cross multiply
    553,952.04x = 830,927.79 × 133,227.78
  4. Step 4: Simplify right side
    553,952.04x = 110,702,664,802.01
  5. Step 5: Solve for x
    x = 110,702,664,802.01/553,952.04
  6. Step 6: Final answer
    x = 199,841.61

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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.