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Finding the Fourth Proportional to 933,696, 1,288,558.08 and 531,287.04

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Solution

The fourth proportional to 933,696, 1,288,558.08 and 531,287.04 is: 733,208.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,696 : 1,288,558.08 = 531,287.04 : x
  2. Step 2: Convert to fraction form
    933,696/1,288,558.08 = 531,287.04/x
  3. Step 3: Cross multiply
    933,696x = 1,288,558.08 × 531,287.04
  4. Step 4: Simplify right side
    933,696x = 684,594,208,191.28
  5. Step 5: Solve for x
    x = 684,594,208,191.28/933,696
  6. Step 6: Final answer
    x = 733,208.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.