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Finding the Fourth Proportional to 1,926,412.22, 2,658,302.53 and 1,066,954.02

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Solution

The fourth proportional to 1,926,412.22, 2,658,302.53 and 1,066,954.02 is: 1,472,315.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,926,412.22 : 2,658,302.53 = 1,066,954.02 : x
  2. Step 2: Convert to fraction form
    1,926,412.22/2,658,302.53 = 1,066,954.02/x
  3. Step 3: Cross multiply
    1,926,412.22x = 2,658,302.53 × 1,066,954.02
  4. Step 4: Simplify right side
    1,926,412.22x = 2,836,286,579,078.22
  5. Step 5: Solve for x
    x = 2,836,286,579,078.22/1,926,412.22
  6. Step 6: Final answer
    x = 1,472,315.51

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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.