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Finding the Fourth Proportional to 1,800,575.51, 2,697,864.59 and 1,266,975.51

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Solution

The fourth proportional to 1,800,575.51, 2,697,864.59 and 1,266,975.51 is: 1,898,353.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,800,575.51 : 2,697,864.59 = 1,266,975.51 : x
  2. Step 2: Convert to fraction form
    1,800,575.51/2,697,864.59 = 1,266,975.51/x
  3. Step 3: Cross multiply
    1,800,575.51x = 2,697,864.59 × 1,266,975.51
  4. Step 4: Simplify right side
    1,800,575.51x = 3,418,128,358,491.31
  5. Step 5: Solve for x
    x = 3,418,128,358,491.31/1,800,575.51
  6. Step 6: Final answer
    x = 1,898,353.25

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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.