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Finding the Fourth Proportional to 848,653.92, 1,272,265.92 and 368,520.48

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Solution

The fourth proportional to 848,653.92, 1,272,265.92 and 368,520.48 is: 552,470.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,653.92 : 1,272,265.92 = 368,520.48 : x
  2. Step 2: Convert to fraction form
    848,653.92/1,272,265.92 = 368,520.48/x
  3. Step 3: Cross multiply
    848,653.92x = 1,272,265.92 × 368,520.48
  4. Step 4: Simplify right side
    848,653.92x = 468,856,047,526.04
  5. Step 5: Solve for x
    x = 468,856,047,526.04/848,653.92
  6. Step 6: Final answer
    x = 552,470.25

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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.