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Finding the Fourth Proportional to 1,271,699.04, 1,916,030.70 and 1,150,259.94

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Solution

The fourth proportional to 1,271,699.04, 1,916,030.70 and 1,150,259.94 is: 1,733,062.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,699.04 : 1,916,030.70 = 1,150,259.94 : x
  2. Step 2: Convert to fraction form
    1,271,699.04/1,916,030.70 = 1,150,259.94/x
  3. Step 3: Cross multiply
    1,271,699.04x = 1,916,030.70 × 1,150,259.94
  4. Step 4: Simplify right side
    1,271,699.04x = 2,203,933,358,020.16
  5. Step 5: Solve for x
    x = 2,203,933,358,020.16/1,271,699.04
  6. Step 6: Final answer
    x = 1,733,062.06

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.