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Finding the Fourth Proportional to 1,812,274.07, 2,723,393.54 and 1,693,779.33

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Solution

The fourth proportional to 1,812,274.07, 2,723,393.54 and 1,693,779.33 is: 2,545,325.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812,274.07 : 2,723,393.54 = 1,693,779.33 : x
  2. Step 2: Convert to fraction form
    1,812,274.07/2,723,393.54 = 1,693,779.33/x
  3. Step 3: Cross multiply
    1,812,274.07x = 2,723,393.54 × 1,693,779.33
  4. Step 4: Simplify right side
    1,812,274.07x = 4,612,827,677,038.63
  5. Step 5: Solve for x
    x = 4,612,827,677,038.63/1,812,274.07
  6. Step 6: Final answer
    x = 2,545,325.66

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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.