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Finding the Fourth Proportional to 193,638.40, 260,582.40 and 193,638.40

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Solution

The fourth proportional to 193,638.40, 260,582.40 and 193,638.40 is: 260,582.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,638.40 : 260,582.40 = 193,638.40 : x
  2. Step 2: Convert to fraction form
    193,638.40/260,582.40 = 193,638.40/x
  3. Step 3: Cross multiply
    193,638.40x = 260,582.40 × 193,638.40
  4. Step 4: Simplify right side
    193,638.40x = 50,458,759,004.16
  5. Step 5: Solve for x
    x = 50,458,759,004.16/193,638.40
  6. Step 6: Final answer
    x = 260,582.40

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.