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Finding the Fourth Proportional to 1,346,751.26, 1,857,009.75 and 1,100,968.91

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Solution

The fourth proportional to 1,346,751.26, 1,857,009.75 and 1,100,968.91 is: 1,518,105.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346,751.26 : 1,857,009.75 = 1,100,968.91 : x
  2. Step 2: Convert to fraction form
    1,346,751.26/1,857,009.75 = 1,100,968.91/x
  3. Step 3: Cross multiply
    1,346,751.26x = 1,857,009.75 × 1,100,968.91
  4. Step 4: Simplify right side
    1,346,751.26x = 2,044,510,000,316.87
  5. Step 5: Solve for x
    x = 2,044,510,000,316.87/1,346,751.26
  6. Step 6: Final answer
    x = 1,518,105.13

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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.