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Finding the Fourth Proportional to 591,326, 815,071.56 and 462,038.48

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Solution

The fourth proportional to 591,326, 815,071.56 and 462,038.48 is: 636,864.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,326 : 815,071.56 = 462,038.48 : x
  2. Step 2: Convert to fraction form
    591,326/815,071.56 = 462,038.48/x
  3. Step 3: Cross multiply
    591,326x = 815,071.56 × 462,038.48
  4. Step 4: Simplify right side
    591,326x = 376,594,424,673.63
  5. Step 5: Solve for x
    x = 376,594,424,673.63/591,326
  6. Step 6: Final answer
    x = 636,864.31

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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.