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Finding the Fourth Proportional to 1,223,218.35, 1,834,827.53 and 1,223,218.35

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Solution

The fourth proportional to 1,223,218.35, 1,834,827.53 and 1,223,218.35 is: 1,834,827.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,218.35 : 1,834,827.53 = 1,223,218.35 : x
  2. Step 2: Convert to fraction form
    1,223,218.35/1,834,827.53 = 1,223,218.35/x
  3. Step 3: Cross multiply
    1,223,218.35x = 1,834,827.53 × 1,223,218.35
  4. Step 4: Simplify right side
    1,223,218.35x = 2,244,394,697,665.08
  5. Step 5: Solve for x
    x = 2,244,394,697,665.08/1,223,218.35
  6. Step 6: Final answer
    x = 1,834,827.53

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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.