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Finding the Fourth Proportional to 603,947.01, 833,463 and 328,323.45

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Solution

The fourth proportional to 603,947.01, 833,463 and 328,323.45 is: 453,095.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,947.01 : 833,463 = 328,323.45 : x
  2. Step 2: Convert to fraction form
    603,947.01/833,463 = 328,323.45/x
  3. Step 3: Cross multiply
    603,947.01x = 833,463 × 328,323.45
  4. Step 4: Simplify right side
    603,947.01x = 273,645,447,607.35
  5. Step 5: Solve for x
    x = 273,645,447,607.35/603,947.01
  6. Step 6: Final answer
    x = 453,095.13

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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.