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Finding the Fourth Proportional to 1,662,710.72, 2,294,539.80 and 898,764.28

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Solution

The fourth proportional to 1,662,710.72, 2,294,539.80 and 898,764.28 is: 1,240,294.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,662,710.72 : 2,294,539.80 = 898,764.28 : x
  2. Step 2: Convert to fraction form
    1,662,710.72/2,294,539.80 = 898,764.28/x
  3. Step 3: Cross multiply
    1,662,710.72x = 2,294,539.80 × 898,764.28
  4. Step 4: Simplify right side
    1,662,710.72x = 2,062,250,413,680.57
  5. Step 5: Solve for x
    x = 2,062,250,413,680.57/1,662,710.72
  6. Step 6: Final answer
    x = 1,240,294.17

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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.