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Finding the Fourth Proportional to 774,329.81, 1,068,647.33 and 468,481.31

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Solution

The fourth proportional to 774,329.81, 1,068,647.33 and 468,481.31 is: 646,547.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,329.81 : 1,068,647.33 = 468,481.31 : x
  2. Step 2: Convert to fraction form
    774,329.81/1,068,647.33 = 468,481.31/x
  3. Step 3: Cross multiply
    774,329.81x = 1,068,647.33 × 468,481.31
  4. Step 4: Simplify right side
    774,329.81x = 500,641,293,400.76
  5. Step 5: Solve for x
    x = 500,641,293,400.76/774,329.81
  6. Step 6: Final answer
    x = 646,547.88

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.