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Finding the Fourth Proportional to 848,411.10, 1,272,616.65 and 848,411.10

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Solution

The fourth proportional to 848,411.10, 1,272,616.65 and 848,411.10 is: 1,272,616.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,411.10 : 1,272,616.65 = 848,411.10 : x
  2. Step 2: Convert to fraction form
    848,411.10/1,272,616.65 = 848,411.10/x
  3. Step 3: Cross multiply
    848,411.10x = 1,272,616.65 × 848,411.10
  4. Step 4: Simplify right side
    848,411.10x = 1,079,702,091,904.82
  5. Step 5: Solve for x
    x = 1,079,702,091,904.82/848,411.10
  6. Step 6: Final answer
    x = 1,272,616.65

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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.