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Finding the Fourth Proportional to 1,832,383.48, 2,528,992.71 and 1,016,849.12

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Solution

The fourth proportional to 1,832,383.48, 2,528,992.71 and 1,016,849.12 is: 1,403,420.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,832,383.48 : 2,528,992.71 = 1,016,849.12 : x
  2. Step 2: Convert to fraction form
    1,832,383.48/2,528,992.71 = 1,016,849.12/x
  3. Step 3: Cross multiply
    1,832,383.48x = 2,528,992.71 × 1,016,849.12
  4. Step 4: Simplify right side
    1,832,383.48x = 2,571,604,011,649.92
  5. Step 5: Solve for x
    x = 2,571,604,011,649.92/1,832,383.48
  6. Step 6: Final answer
    x = 1,403,420.21

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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.