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Finding the Fourth Proportional to 1,939,690.04, 2,909,534.86 and 741,733.52

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Solution

The fourth proportional to 1,939,690.04, 2,909,534.86 and 741,733.52 is: 1,112,600.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939,690.04 : 2,909,534.86 = 741,733.52 : x
  2. Step 2: Convert to fraction form
    1,939,690.04/2,909,534.86 = 741,733.52/x
  3. Step 3: Cross multiply
    1,939,690.04x = 2,909,534.86 × 741,733.52
  4. Step 4: Simplify right side
    1,939,690.04x = 2,158,099,533,270.51
  5. Step 5: Solve for x
    x = 2,158,099,533,270.51/1,939,690.04
  6. Step 6: Final answer
    x = 1,112,600.20

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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.